European
Southern
Observatory

Betelgeuse’s surface before and during its 2019–2020 Great Dimming

eso2109 — Science Release

Mystery of Betelgeuse’s dip in brightness solved

When Betelgeuse, a bright orange star in the constellation of Orion, became visibly darker in late 2019 and early 2020, the astronomy community was puzzled. A team of astronomers have now published new images of the star’s surface, taken using the European Southern Observatory’s Very Large Telescope (ESO’s VLT), that clearly show how its brightness changed. The new research reveals that the star was partially concealed by a cloud of dust, a discovery that solves the mystery of the “Great Dimming” of Betelgeuse.

Detection of heavy metals in the atmosphere of comet C/2016 R2

eso2108 — Science Release

Heavy metal vapours unexpectedly found in comets throughout our Solar System — and beyond

A new study by a Belgian team using data from the European Southern Observatory’s Very Large Telescope (ESO’s VLT) has shown that iron and nickel exist in the atmospheres of comets throughout our Solar System, even those far from the Sun. A separate study by a Polish team, who also used ESO data, reported that nickel vapour is also present in the icy interstellar comet 2I/Borisov. This is the first time heavy metals, usually associated with hot environments, have been found in the cold atmospheres of distant comets.

Test-Bed Telescope 2 at ESO’s La Silla Observatory

eso2107 — Organisation Release

New telescope at ESO’s La Silla joins effort to protect Earth from risky asteroids

Part of the world-wide effort to scan and identify near-Earth objects, the European Space Agency’s Test-Bed Telescope 2 (TBT2), a technology demonstrator hosted at ESO’s La Silla Observatory in Chile, has now started operating. Working alongside its northern-hemisphere partner telescope, TBT2 will keep a close eye on the sky for asteroids that could pose a risk to Earth, testing hardware and software for a future telescope network.

Image of the 2I/Borisov interstellar comet captured with the VLT

eso2106 — Science Release

First interstellar comet may be the most pristine ever found

New observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) indicate that the rogue comet 2I/Borisov, which is only the second and most recently detected interstellar visitor to our Solar System, is one of the most pristine ever observed. Astronomers suspect that the comet most likely never passed close to a star, making it an undisturbed relic of the cloud of gas and dust it formed from.

A view of the M87 supermassive black hole in polarised light

eso2105 — Science Release

Astronomers image magnetic fields at the edge of M87’s black hole

The Event Horizon Telescope (EHT) collaboration, who produced the first ever image of a black hole, has today revealed a new view of the massive object at the centre of the Messier 87 (M87) galaxy: how it looks in polarised light. This is the first time astronomers have been able to measure polarisation, a signature of magnetic fields, this close to the edge of a black hole. The observations are key to explaining how the M87 galaxy, located 55 million light-years away, is able to launch energetic jets from its core.

Representation of stratospheric winds near Jupiter’s south pole

eso2104 — Science Release

Powerful stratospheric winds measured on Jupiter for the first time

Using the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, a team of astronomers have directly measured winds in Jupiter’s middle atmosphere for the first time. By analysing the aftermath of a comet collision from the 1990s, the researchers have revealed incredibly powerful winds, with speeds of up to 1450 kilometres an hour, near Jupiter’s poles. They could represent what the team have described as a “unique meteorological beast in our Solar System”.

Artist’s rendering of quasar P172+18

eso2103 — Science Release

Most distant quasar with powerful radio jets discovered

With the help of the European Southern Observatory’s Very Large Telescope (ESO’s VLT), astronomers have discovered and studied in detail the most distant source of radio emission known to date. The source is a “radio-loud” quasar — a bright object with powerful jets emitting at radio wavelengths — that is so far away its light has taken 13 billion years to reach us. The discovery could provide important clues to help astronomers understand the early Universe.

An artist’s view of the TOI-178 planetary system

eso2102 — Science Release

Puzzling six-exoplanet system with rhythmic movement challenges theories of how planets form

Using a combination of telescopes, including the Very Large Telescope of the European Southern Observatory (ESO’s VLT), astronomers have revealed a system consisting of six exoplanets, five of which are locked in a rare rhythm around their central star. The researchers believe the system could provide important clues about how planets, including those in the Solar System, form and evolve.

Artist’s representation of the ID2299 galaxy

eso2101 — Science Release

ALMA captures distant colliding galaxy dying out as it loses the ability to form stars

Galaxies begin to “die” when they stop forming stars, but until now astronomers had never clearly glimpsed the start of this process in a far-away galaxy. Using the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, astronomers have seen a galaxy ejecting nearly half of its star-forming gas. This ejection is happening at a startling rate, equivalent to 10 000 Suns-worth of gas a year — the galaxy is rapidly losing its fuel to make new stars. The team believes that this spectacular event was triggered by a collision with another galaxy, which could lead astronomers to rethink how galaxies stop bringing new stars to life.

New ESO’s VLT image of the Skull Nebula

eso2019 — Photo Release

Stars and Skulls: new ESO image reveals eerie nebula

This ethereal remnant of a long dead star, nestled in the belly of The Whale, bears an uneasy resemblance to a skull floating through space. Captured in astounding detail by ESO’s Very Large Telescope (VLT), the eerie Skull Nebula is showcased in this new image in beautiful bloodshot colours. This planetary nebula is the first known to be associated with a pair of closely bound stars orbited by a third outer star.

European
Southern
Observatory

In response to the COVID-19 pandemic, ESO has taken a number of measures to ensure the safety of staff and visitors, including cancelling public visits and activities to its observatories. For more information, please check the ‘COVID-19 coronavirus measures at ESO’ announcement.

En respuesta a la pandemia de COVID-19, ESO ha tomado una serie de medidas para garantizar la seguridad del personal y sus visitantes, incluida la cancelación de visitas y actividades públicas. Para obtener más información, por favor consulte el anuncio “Medidas adoptadas por ESO ante el coronavirus COVID-19”.

CONCERTO show starts with new view of the Cat’s Paw Nebula

6 July 2021 — ann21010

Let the show begin: APEX’s CONCERTO instrument sees first light

Cover of the Annual Report 2020

1 July 2021 — ann21009

ESO Annual Report 2020 Now Available

14 June 2021 — annlang21001-es-cl-en

ESO-Chile Funding Opportunities 2021 Open

Gazing up in wonder

11 June 2021 — ann21008

ESO’s Extremely Large Telescope planned to start scientific operations in 2027

Rendering of the MAVIS instrument

1 June 2021 — ann21007

ESO Signs Agreement for Australian–European MAVIS Instrument

Number of papers published using observational data from different observatories (1996–2020)

20 May 2021 — ann21006

Over 1000 studies using ESO data: a look back at ESO’s science results of 2020

Arching over ALMA

31 March 2021 — ann21005

ESO becomes a partner in Europe's largest ground-based astronomy network

Cover of The Messenger issue 182

2 March 2021 — ann21004

The Messenger No. 182 Now Available

The CRIRES+ instrument

1 Feb. 2021 — ann21003

In Search of New Super Earths: CRIRES+ on ESO’s Very Large Telescope Sees First Light

Impact areas of ESO

22 Jan. 2021 — ann21002

How ESO Impacts Society: New publication highlights ESO’s benefits to its Member States

Welcome to elt.eso.org

14 Jan. 2021 — ann21001

New website for ESO’s Extremely Large Telescope launched

Xavier Barcons received the Order of Bernardo O’Higgins Grand Cross

16 Dec. 2020 — ann20036

ESO Director General awarded Order of Bernardo O’Higgins

Portrait of Linda Tacconi (MPE Garching)

8 Dec. 2020 — ann20035

Linda Tacconi Elected as Next ESO Council President

How the ELT will look like at Cerro Armazones

4 Dec. 2020 — ann20034

Funding boost for ESO’s Extremely Large Telescope

Ready for the night

3 Dec. 2020 — ann20033

Joint Committee ESO–Chile funds awarded

M1 segment prototype with support structure

24 Nov. 2020 — ann20032

Design achievements for actuators and sensors of the main mirror of ESO's ELT

Artist's Impression of the ELT: A Sharp Eye on the Sky

19 Nov. 2020 — ann20031

What the ESO’s ELT dome will look like

ALMA at night 2

17 Nov. 2020 — ann20030

Newly processed Venus ALMA data made available to the community

Artistic rendering: close-up view of the first ELT prefocal station

6 Nov. 2020 — ann20029

Contract signed for the ELT’s second prefocal station as design for the first close to approval

Cover of The Messenger issue 181

14 Oct. 2020 — ann20028

The Messenger No. 181 Now Available

Key visual vertical "Unseen Universe" poster

14 Oct. 2020 — ann20027

New planetarium show: Unseen Universe — look at the sky with superhuman eyes

ESO Calendar 2021 cover

23 Sept. 2020 — ann20026

ESO Calendar 2021 Now Available

The VLT observes the sky again

18 Sept. 2020 — ann20025

Science operations restarted at Paranal following pause due to the pandemic

11 Sept. 2020 — ann20024

Winners of Insight Astronomy Photographer of the Year 2020 announced

Cover of The Messenger issue 180

3 Sept. 2020 — ann20023

The Messenger No. 180 Now Available

25 Aug. 2020 — ann20022

New Report Offers Roadmap to Mitigate Effects of Satellite Constellations on Astronomy

Summer AstroCamp 2019 Participants

21 July 2020 — ann20021

Winner of Summer AstroCamp 2020 ESO Prize Announced

Screenshot of Virtual guided tour of La Silla Observatory

15 July 2020 — ann20020

Take Part in the New Virtual Guided Tours to ESO’s Observatories

Paranal at sunrise

6 July 2020 — ann20019

Funding Opportunities in Chile (Anuncio de Oportunidades)

Screenshot of ESOcast 224

25 June 2020 — ann20018

ESOcast 224: First Interstellar Visitors

Cover of the Annual Report 2019

18 June 2020 — ann20017

ESO Annual Report 2019 Now Available

Artistic rendering of the METIS instrument

5 June 2020 — ann20016

METIS Instrument Passes Design Milestone

Screenshot of ESOcast 222

27 May 2020 — ann20015

ESOcast 222: Ten Fascinating Paradoxes about the Universe

Cover of The Messenger No. 179

11 May 2020 — ann20014

The Messenger No. 179 Now Available

24 April 2020 — ann20013

Contract Signed for New ALMA Receivers

Number of papers published using observational data from different observatories (1996–2019)

9 April 2020 — ann20012

The Most Productive Ground-based Observatory: A Look Back at ESO’s Science Results of 2019

Astrocamp poster

31 March 2020 — ann20011

Summer AstroCamp 2020 applications open soon

Aerial view of ESO Headquarters

9 March 2020 — ann20010

COVID-19 coronavirus measures at ESO

Close-up of ELT primary mirror (artist's impression)

19 Feb. 2020 — ann20009

Milestones Reached in Incredible Journey of ELT Main Mirror Segments

ESO and UN Women sign Memorandum of Understanding

11 Feb. 2020 — ann20008

ESO signs agreement with UN Women, celebrates International Day of Women and Girls in Science

ESO participates in Germany’s Girls’ Day activities

6 Feb. 2020 — ann20007

Girls’ Day Event at ESO Headquarters in Garching, Germany

Front cover of Science in School 49

4 Feb. 2020 — ann20006

Science in School: Issue 49 now available

Assembled E-ELT mirror segments undergoing testing

4 Feb. 2020 — ann20005

ESO at the Big Science Business Forum 2020

CILAS’s deformable mirror prototype

3 Feb. 2020 — ann20004

ESO helps European company win major international contract

M3 blank at Safran Reosc

31 Jan. 2020 — ann20003

ELT Tertiary Mirror Takes Shape

Rendering of the MICADO instrument

21 Jan. 2020 — ann20002

ELT MICADO Instrument Passes Preliminary Design Review

9 Jan. 2020 — ann20001

2020 Insight Investment Astronomy Photographer of the Year Competition Opens

Cover of The Messenger No. 178

23 Dec. 2019 — ann19064

The Messenger No. 178 Now Available

Poster for: The Planets 360

23 Dec. 2019 — ann19063

The Planets 360: a musical tour of the Solar System

19 Dec. 2019 — ann19062

Satellite Constellations and their Impact on Astronomy

Star studded sunset

2 Dec. 2019 — ann19061

ESO Supernova closed in January 2020

M5 Cell Structure contract signed

2 Dec. 2019 — ann19060

Contract Signed for ELT’s Mirror M5 Cell Structure

"Enlightening Time Travel" poster

14 Nov. 2019 — ann19059

A winter special: Enlightening Time Travel

Path to the Supernova

12 Nov. 2019 — ann19058

What’s coming up at the ESO Supernova

ESO-SAESA contract signature ceremony

5 Nov. 2019 — ann19057

Solar plant to supply energy to ESO’s Extremely Large Telescope

Front cover of Science in School 48

4 Nov. 2019 — ann19056

Science in School: Issue 48 now available

ESO Calendar 2020 cover

28 Oct. 2019 — ann19055

Enjoy each day of 2020 with the ESO Calendar

Aerial view of Cerro Paranal

23 Oct. 2019 — ann19054

ESO Measures Following Events in Chile

Screenshot of ESOcast 209: Outreach and Science During the Total Solar Eclipse at La Silla

22 Oct. 2019 — ann19053

ESOcast 209: Outreach and Science During the Total Solar Eclipse at La Silla

Cover of Messenger 177

21 Oct. 2019 — ann19052

The Messenger No. 177 Now Available

Four ALMA antennas on the Chajnantor plain *

14 Oct. 2019 — ann19051

ESO Astronomer Awarded a European Research Council Synergy Grant

High-level guests at the ProChile event at ESO Supernova

10 Oct. 2019 — ann19050

ProChile Holds Innovation Summit at ESO Supernova in ESO’s Headquarters, Germany

Didier Queloz and Michel Mayor at La Silla

8 Oct. 2019 — ann19049

2019 Nobel Prize in Physics Awarded for Discovery of Exoplanet Orbiting a Solar-type Star

"Out There" poster (English version)

30 Sept. 2019 — ann19048

Is there life elsewhere in the Universe?

Construction of the ELT dome foundations begins

27 Sept. 2019 — ann19047

Construction of the ELT Dome Foundations Begins

European Young Scientists

24 Sept. 2019 — ann19046

Winners of the 2019 European Union Contest for Young Scientists Announced

Montage of 3D models and their visual counterparts

13 Sept. 2019 — ann19045

A Dark Tour of the Universe

13 Sept. 2019 — ann19044

Winners of Insight Astronomy Photographer of the Year 2019 announced

First Image of a Black Hole

9 Sept. 2019 — ann19043

Breakthrough Prize in Fundamental Physics awarded to the Event Horizon Telescope Collaboration

Lodewijk Woltjer (1930–2019)

27 Aug. 2019 — ann19042

Lodewijk Woltjer (1930–2019)

Front cover of Science in School 47

2 Aug. 2019 — ann19041

Science in School: Issue 47 now available

The first shipment of ELT primary mirror blanks arrives at Safran Reosc

2 Aug. 2019 — ann19040

First 18 ELT Primary Mirror Blanks Arrive at Safran Reosc

The region of the sky where astronomers looked for asteroid 2006 QV89

18 July 2019 — ann19039

ESO and ESA confirm that asteroid 2006 QV89 will not hit Earth in 2019

ESO astronomer Paolo Padovani receives the the “Sparlamento Prize in Research and Development 2019”

17 July 2019 — ann19038

ESO Astronomer awarded the Sparlamento Prize in Research and Development 2019

Cover of Messenger 176

10 July 2019 — ann19037

The Messenger No. 176 Now Available

20 June 2019 — ann19036

Former ESO Astronomer and Head of Instrumentation Division Guy Monnet wins 2019 Tycho Brahe Medal

Summer AstroCamp Participants

20 June 2019 — ann19035

Winner of Summer AstroCamp 2019 ESO Bursary Announced

ESO and Irish Research Council sign studentship programme agreement

19 June 2019 — ann19034

ESO and Irish Research Council sign studentship programme agreement

Cover of ESO’s Annual Report 2018

14 June 2019 — ann19033

ESO Annual Report 2018 Now Available

ESOcast 203: Chile Chill 13 — Celestial Symphony

11 June 2019 — ann19032

ESOcast 203: Chile Chill 13 — Celestial Symphony

The total solar eclipse of 21 August 2017

10 June 2019 — ann19031

Exciting Experiments During Total Solar Eclipse at La Silla

Paranal Observatory hosts Microsoft President

10 June 2019 — ann19030

Paranal Observatory hosts Microsoft President

Flare at Paranal

7 June 2019 — ann19029

On the increasing number of satellite constellations

Jewels of the Chilean night sky

7 June 2019 — ann19028

Funding Opportunities in Chile (Anuncio de Oportunidades)

Total solar eclipse 2019 clear-weather simulation in the sky above La Silla

7 June 2019 — ann19027

La Silla Solar Eclipse Webcast

Photo of the 10,000th visitor of the ESO Supernova (the whole group)

3 June 2019 — ann19026

10 000th student visits the ESO Supernova

Helix in fulldome

21 May 2019 — ann19025

Planetarium shows available for booking until the end of 2019

Example of a jellyfish galaxy

8 May 2019 — ann19024

GASP program receives 2.5 million euros from the European Research Council

Front cover of Science in School 46

6 May 2019 — ann19023

Science in School: Issue 46 now available

30 April 2019 — ann19022

Chilean Senate awards medals to ALMA for contribution to first image of black hole

29 April 2019 — ann19021

2019 Olivier Chesneau Prize Awarded to Jozua de Boer

ESO Live Video Streaming

9 April 2019 — ann19020

Live Webcast and Reddit AMA Session of the First Result from the Event Horizon Telescope

Number of papers published using observational data from different observatories (1996–2018)

3 April 2019 — ann19019

ESO Remains World’s Most Productive Ground-based Observatory

ESO Media Advisory

1 April 2019 — ann19018

Media Advisory: Press Conference on First Result from the Event Horizon Telescope

ESO and Czech Republic sign Training Programme agreement

14 March 2019 — ann19017

ESO and Czech Republic sign Training Programme agreement

2019 IAU Astronomy Education Conference

13 March 2019 — ann19016

IAU Astronomy Education Conference comes to ESO Supernova

Contract signed for ELT M5 Mirror

11 March 2019 — ann19015

Contract signed for ELT M5 Mirror

Cover of Messenger 175

8 March 2019 — ann19014

The Messenger No. 175 Now Available

Cherenkov Telescope Array rendering

7 March 2019 — ann19013

ESO Becomes Shareholder in Cherenkov Telescope Array Observatory

26 Feb. 2019 — ann19012

ESO Supernova April–June programme springs online

President of Armenia visits ESO Headquarters

18 Feb. 2019 — ann19011

President of Armenia visits ESO Headquarters

ESOcast 194: Cutting Edge of Contemporary Astronomy

18 Feb. 2019 — ann19010

ESOcast 194: Cutting Edge of Contemporary Astronomy

Summer AstroCamp 2018

15 Feb. 2019 — ann19009

Apply for the Summer AstroCamp 2019

11 Feb. 2019 — ann19008

Joint EIROforum DG statement on equal opportunities

31 Jan. 2019 — ann19007

Catch a Star 2018 Contest Winners Announced

Cover of Messenger 174

30 Jan. 2019 — ann19006

The Messenger No. 174 Now Available

Orbits of stars around black hole at the heart of the Milky Way

30 Jan. 2019 — ann19005

Astronomy & Astrophysics celebrates 50 years since its first issue

ESO participates in Germany’s Girls’ Day activities

29 Jan. 2019 — ann19004

Girls’ Day Event at ESO Headquarters in Garching, Germany

Blank Canvas: the ELT’s M2 Mirror Blank

16 Jan. 2019 — ann19003

World’s largest convex mirror blank ready for final touches

14 Jan. 2019 — ann19002

2019 Insight Investment Astronomy Photographer of the Year Competition Opens

ESOcast 190: Chile Chill 12 — Fire in the Heavens

11 Jan. 2019 — ann19001

ESOcast 190: Chile Chill 12 — Fire in the Heavens

Construction site of the Extremely Large Telescope

20 Dec. 2018 — ann18093

New baseline schedule for ESO’s Extremely Large Telescope

20 Dec. 2018 — ann18092

ELT’s HARMONI spectrograph passes Preliminary Design Review

Frame from winning video entry

19 Dec. 2018 — ann18091

Winner of La Silla Total Eclipse Public Competition Announced

Riccardo Giacconi, ESO Director General (1993–1999)

11 Dec. 2018 — ann18090

Riccardo Giacconi (1931–2018)

NAOMI at first light

7 Dec. 2018 — ann18089

NAOMI Sees First Light

Dynamic La Silla

4 Dec. 2018 — ann18088

ESO’s Second #MeetESO winners announced

Cover of 2019 Q1 programme

3 Dec. 2018 — ann18087

Exciting new programme at the ESO Supernova

Front cover of Science in School issue 45

30 Nov. 2018 — ann18086

Science in School: Issue 45 now available

ESOcast 186: Engineers at ESO

22 Nov. 2018 — ann18085

ESOcast 186: Engineers at ESO

20 Nov. 2018 — ann18084

ESCAPE into Open Science

La Silla Total Solar Eclipse, Public Competition

15 Nov. 2018 — ann18083

Win a Fully-Paid Trip to the La Silla Total Solar Eclipse 2019 and other ESO sites in Chile

Cover of CAPjournal issue 24

9 Nov. 2018 — ann18082

CAPjournal Issue 24 Now Available

1 Nov. 2018 — ann18081

ESO Supernova Receives Gold Rating for Sustainability

Second #MeetESO on the occasion of the total solar eclipse 2019

26 Oct. 2018 — ann18080

Join ESO’s Second Social Media Gathering, #MeetESO

Four lasers light up Paranal

25 Oct. 2018 — ann18079

Launch of CERN–ESO Science-Art Project Simetría

24 Oct. 2018 — ann18078

Winners of Insight Investment Astronomy Photographer of the Year 2018 announced

ESO Astronomy Camp 2014 — Measuring the Universe

23 Oct. 2018 — ann18077

Winter Astronomy Camp 2018 ESO bursary winner announced

22 Oct. 2018 — ann18076

Olivier Chesneau Prize 2019

ESO Calendar 2019 cover

11 Oct. 2018 — ann18075

ESO Calendar 2019 Now Available

Teacher training event

9 Oct. 2018 — ann18074

ESO to host its first Teacher Training Workshop for Danish educators

Ireland ratifies ESO membership and becomes sixteenth Member State

9 Oct. 2018 — ann18073

Ireland Ratifies ESO Membership

Open House Day 2018

8 Oct. 2018 — ann18071

Programme for the ESO Open House Day 2018 Now Available

8 Oct. 2018 — ann18070

ESO’s La Silla Observatory to gain cutting-edge SOXS instrument

Cover of Messenger 173

5 Oct. 2018 — ann18069

The Messenger No. 173 Now Available

VISTA’s look at the Helix Nebula

27 Sept. 2018 — ann18068

German Research Foundation selects the ORIGINS Cluster as a new Cluster of Excellence

European Young Scientists

27 Sept. 2018 — ann18067

Winners of the 2018 European Union Contest for Young Scientists Announced

The most powerful laser guide star system in the world sees first light at the Paranal Observatory

18 Sept. 2018 — ann18066

ESO’s VLT Adaptive Optics Facility receives the 2018 Paul F. Forman Team Engineering Excellence Award

Open House Day 2018 publicity image (English)

13 Sept. 2018 — ann18065

ESO Open House Day 2018

Poster for The Sun, Our Living Star

6 Sept. 2018 — ann18064

New Planetarium Show: The Sun, Our Living Star

A journey through space & time

3 Sept. 2018 — ann18063

Exciting Autumn Programme at the ESO Supernova

Screenshot of the ESO Archive Science Portal

10 Aug. 2018 — ann18062

Release of the ESO Archive Science Portal

ESO Media Advisory

10 Aug. 2018 — ann18061

Media Advisory: Invitation to attend La Silla Solar Eclipse 2019

Seeing stars in a mountain environment

8 Aug. 2018 — ann18060

Winter Astronomy Camp 2018 applications open

Combined ESO & Attract Logos

1 Aug. 2018 — ann18059

ATTRACT Initiative Launched

ESOcast 173: First Successful Test of Einstein’s General Relativity Near Supermassive Black Hole

26 July 2018 — ann18058

ESOcast 173: First Successful Test of Einstein’s General Relativity Near Supermassive Black Hole

Straight to the Milky Way's heart

24 July 2018 — ann18057

Live Broadcast from ESO Announcing News from the Heart of the Milky Way

ESO Media Advisory

19 July 2018 — ann18056

Media Advisory: Press Conference at ESO HQ Announcing News from the Heart of the Milky Way

ESO Supernova Q3 programme English

11 July 2018 — ann18055

Captivating new programme at the ESO Supernova

ESOcast 170: All you need to know about total solar eclipse 2019

4 July 2018 — ann18054

ESOcast 170: The 2 July 2019 Total Solar Eclipse Over La Silla

Cover of Messenger 172

29 June 2018 — ann18053

The Messenger No. 172 Now Available

ESOcast 168: NEOs — Near Earth Objects

29 June 2018 — ann18052

ESOcast 168: NEOs — Near Earth Objects

ESOcast 167: VLT sees `Oumuamua getting a boost

27 June 2018 — ann18051

ESOcast 167: VLT sees `Oumuamua getting a boost

Front cover of Science in School issue 44

26 June 2018 — ann18050

Science in School: Issue 44 now available

Artist’s impression of the interstellar asteroid `Oumuamua

25 June 2018 — ann18049

Live Webcast from the ESO Supernova on Asteroid Day

Contract signed for detectors of ESO’s ELT instruments

20 June 2018 — ann18048

Contract signed for detectors of ESO’s ELT instruments

ESOcast 165: Fast Track Your Career with the ESO Fellowship Programmes

19 June 2018 — ann18047

ESOCast 165: Fast-Track Your Career with the ESO Fellowship Programmes

AstroCamera astrophotography competition

19 June 2018 — ann18046

AstroCamera 2018 winners announced

Contract signed for the ELT coating plant

18 June 2018 — ann18045

Contract Awarded for Coating Plant for ELT Primary Mirror Segments

Summer AstroCamp 2017

14 June 2018 — ann18044

Winner of Summer AstroCamp 2018 Bursary Announced

"Europe to the Stars" poster

14 June 2018 — ann18043

New Planetarium Show: Europe to the Stars

“Friend of Marca España” award

12 June 2018 — ann18042

ESO Receives Marca España Award

Cover of the ESO Annual Report 2017

12 June 2018 — ann18041

ESO Annual Report 2017 Now Available

Jewels of the Chilean night sky

11 June 2018 — ann18040

Funding Opportunities in Chile (Anuncio de Oportunidades)

Composite image of the ESO and UNISPACE+50 logos

11 June 2018 — ann18039

ESO at UNISPACE+50 in Vienna

6 June 2018 — ann18038

Irish Membership of ESO Approved by ESO Council

Claudio Melo becomes ESO Representative in Chile

6 June 2018 — ann18037

Claudio Melo Becomes ESO Representative in Chile

Photo NightScape entry: Conjonction humaine, Voie Lactée, Lune et Vénus

4 June 2018 — ann18036

Prizes Awarded to 2018 Photo NightScape Winners

ESO's Very Large Telescope in action

25 May 2018 — ann18035

ESO’s Very Large Telescope Celebrates 20 Years of Remarkable Science

17 May 2018 — ann18034

Discover your Place in Space at the ESO Supernova

The HELIOS instrument at the ESO 3.6-metre telescope in Chile

17 May 2018 — ann18033

HARPS Sees Sunshine for the First Time

Le tour de Supernova

11 May 2018 — ann18032

ESO Supernova Offers Unforgettable Learning Experiences

ELT Foundation Work Started on Cerro Armazones

7 May 2018 — ann18031

ELT Foundation Work Started on Cerro Armazones

ESOcast 159: Stan Dart: Supernova

7 May 2018 — ann18030

ESOcast 159: Stan Dart: Supernova

The number of papers published using ALMA data

3 May 2018 — ann18029

ALMA Reaches 1000 Published Papers

Contract Signed for ELT M1 Segment Supports

19 April 2018 — ann18028

Contract Signed for ELT Primary Mirror Segment Supports

ESO Supernova Opening Campaign

18 April 2018 — ann18027

Opening campaign for the ESO Supernova Planetarium & Visitor Centre

Meet #ESOSupernova

10 April 2018 — ann18026

Meet #ESOSupernova

Image of front cover of programme

5 April 2018 — ann18025

Printed ESO Supernova Programme Now Available

Front cover of Science in School: Issue 43

3 April 2018 — ann18024

Science in School: Issue 43 Now Available

Cover of The Messenger No. 171

29 March 2018 — ann18023

The Messenger No. 171 Now Available

ESO Supernova opening poster

29 March 2018 — ann18022

Media Advisory: Press Conference to Mark Inauguration of ESO Supernova Planetarium & Visitor Centre

Summer AstroCamp 2017

26 March 2018 — ann18021

Apply for the Summer AstroCamp 2018

First Shell of ELT Deformable Mirror Completed

23 March 2018 — ann18020

First Shell of ELT Deformable Mirror Completed

Front cover of ESO Supernova Planetarium & Visitor Centre events brochure

23 March 2018 — ann18019

Your Events in the ESO Supernova Planetarium & Visitor Centre

ESO Supernova opening poster

21 March 2018 — ann18018

ESO Supernova Programme Now Available Online

The ELT Prefocal Station

21 March 2018 — ann18017

Contract Signed for ELT Prefocal Station

21 March 2018 — ann18016

Catch a Star 2018 Contest Now Open

Clarification of Brazil’s involvement in ESO

12 March 2018 — ann18015

Clarification of Brazil’s Involvement in ESO

ESO Signs Contract with Chilean Company for ELT Technical Facility

12 March 2018 — ann18014

ESO Signs Contract with Chilean Company for ELT Technical Facility

Number of papers published using observational data from different observatories (1996–2017)

8 March 2018 — ann18013

ESO Remains World’s Most Productive Ground-based Observatory

ESOcast 151: Chile Chill 11 – ALMA from the Air

9 Feb. 2018 — ann18012

ESOcast 151: Chile Chill 11– ALMA from the Air

Starmus V festival announced

9 Feb. 2018 — ann18011

Starmus V — Star-studded Line Up for 2019

Cover of CAPjournal issue 23

9 Feb. 2018 — ann18010

CAPjournal Issue 23 Now Available

The Big Science Business Forum 2018

2 Feb. 2018 — ann18009

ESO at the Big Science Business Forum 2018

ESOcast 149: Fast Track Your Career with the ESO Studentship Programmes

2 Feb. 2018 — ann18008

ESOcast 149: Fast Track Your Career With the ESO Studentship Programme

AstroCamera astrophotography competition

1 Feb. 2018 — ann18007

AstroCamera 2018 Competition Open for Entries

The Tarantula Nebula region imaged with HAWK-I with the Adaptive Optics Facility

30 Jan. 2018 — ann18006

Sharper Images for VLT Infrared Camera

Photo NightScape entry: Conjonction humaine, Voie Lactée, Lune et Vénus

29 Jan. 2018 — ann18005

5th Photo NightScape Awards Open for Entries

ESO participates in Germany’s Girls’ Day activities

19 Jan. 2018 — ann18004

Girls’ Day Event at ESO Headquarters in Garching, Germany

The Atacama Compact Array

19 Jan. 2018 — ann18003

Powerful New Hardware Approved for ALMA

19 Jan. 2018 — ann18002

Catch a Star 2017 Contest Winners Announced

15 Jan. 2018 — ann18001

2018 Insight Astronomy Photographer of the Year Competition Opens

Cover of The Messenger No. 170

22 Dec. 2017 — ann17089

The Messenger No. 170 Now Available

ESO Director General meets European Commissioner for Research, Science and Innovation

21 Dec. 2017 — ann17088

ESO Director General meets European Commissioner for Research, Science and Innovation

Artist’s rendering of the ELT in operation

18 Dec. 2017 — ann17087

ESO Signs Contract for ELT Laser Sources

Cover of Science in School issue No.42

11 Dec. 2017 — ann17086

Science in School: Issue 42 now available

Artists’s Rendering of the primary mirror of the ELT

7 Dec. 2017 — ann17085

ESO to Build ELT With Full Primary Mirror

Willy Benz elected as ESO Council President

7 Dec. 2017 — ann17084

Willy Benz Elected Next ESO Council President

De Zeeuw-Van Dishoeck Graduation Prize for Astronomy 2017 Awarded to Laura Driessen

30 Nov. 2017 — ann17083

De Zeeuw-Van Dishoeck Graduation Prize for Astronomy 2017 Awarded to Laura Driessen

ESOcast 139: ALMA and the Cold Interstellar Clouds

27 Nov. 2017 — ann17082

ESOcast 139: Why Astronomers Want to Use ALMA — ALMA and the Cold Interstellar Clouds

ESO Astronomy Camp 2016

13 Nov. 2017 — ann17081

Winners of Fifth ESO Astronomy Camp Bursaries Announced

Paranal tour one of many now available in VR

10 Nov. 2017 — ann17079

Exciting New Virtual Reality Mode for ESO Virtual Tours 6.0

Open House Day 2016

8 Nov. 2017 — ann17078

ESO to Participate in FORSCHA Event again

ESOcast 135: ALMA is a timemachine!

2 Nov. 2017 — ann17077

ESOcast 135: Why Astronomers Want to Use ALMA — ALMA is a Time Machine!

Artist's impression of the planet NGTS-1b

31 Oct. 2017 — ann17076

New Exoplanet Survey Finds its First Planet

ESOcast 133: ESO Telescopes Observe First Light from Gravitational Wave Source

16 Oct. 2017 — ann17075

ESOcast 133: ESO Telescopes Observe First Light from Gravitational Wave Source

Open House Day 2017

16 Oct. 2017 — ann17074

Programme for the ESO Open House Day 2017 Now Available

ESO Live Video Streaming

16 Oct. 2017 — ann17073

Live Video Streaming of Press Conference about Unprecedented Discovery & Reddit AMA Session

ESOcast 132: Why Astronomers Want to Use ALMA - We are Stardust!

12 Oct. 2017 — ann17072

ESOcast 132: Why Astronomers Want to Use ALMA — We are Stardust!

ESO Media Advisory

11 Oct. 2017 — ann17071

Media Advisory: Press Conference at ESO HQ Announcing Unprecedented Discovery

11 Oct. 2017 — ann17070

Irish Government Announces Commitment to Join ESO

Cover of The Messenger No. 169

6 Oct. 2017 — ann17069

The Messenger No. 169 Now Available

La Silla at night

6 Oct. 2017 — ann17068

ESO Endorses the European Open Science Cloud Declaration

4 Oct. 2017 — ann17067

BlackGEM Telescope to be Sited at ESO’s La Silla Observatory

All the winners of the 2017 EUCYS Awards

4 Oct. 2017 — ann17066

Winners of the 2017 European Union Contest for Young Scientists Announced

Cover of Science in School issue No.41

4 Oct. 2017 — ann17065

Science in School: Issue 41 now available

ESOcast 130: Why Astronomers Want to Use ALMA - ALMA is State of the Art Technology

2 Oct. 2017 — ann17064

ESOcast 130: Why Astronomers Want To Use ALMA - ALMA is State of the Art Technology

Open House Day 2017

28 Sept. 2017 — ann17063

ESO Open House Day 2017

Cover picture of CAP Journal issue 22

26 Sept. 2017 — ann17062

CAPjournal Issue 22 Now Available

ESOcast 128: Why Astronomers Want to Use ALMA - ALMA Observes the Invisible

25 Sept. 2017 — ann17061

ESOcast 128: Why Do Astronomers Want To Use ALMA - ALMA Observes the Invisible

MATISSE in the lab

15 Sept. 2017 — ann17060

Next-generation VLTI Instrument MATISSE Heads for Paranal

15 Sept. 2017 — ann17059

Winners of the 2017 Insight Astronomy Photographer of the Year Announced

Photo Nightscape Awards 2017

12 Sept. 2017 — ann17058

Winners of the Photo NightScape Awards 2017 Announced

1 Sept. 2017 — ann17057

Join Us on a Journey to the Stars — the ESOblog Goes Live!

Conceptual drawing of the NIRPS instrument

1 Sept. 2017 — ann17056

ESO’s La Silla Observatory to Host New Planet Hunter

31 Aug. 2017 — ann17055

ESO Supernova has a new partner: Softmachine Immersive Productions GmbH comes into play

ESOcast 124: Q&A with ESO's Outgoing Director General Tim de Zeeuw — Thoughts and reflections on a decade at ESO

24 Aug. 2017 — ann17054

ESOcast 124: Q&A with Tim de Zeeuw, ESO's Outgoing Director General

ESPRESSO takes shape

22 Aug. 2017 — ann17053

ESPRESSO Planet Hunter Heads for Chile

2012 TC4 observed (annotated)

10 Aug. 2017 — ann17052

A Very Close Encounter

Artist's impression of the orbits of stars close to the Galactic Centre

9 Aug. 2017 — ann17051

Hint of Relativity Effects in Stars Orbiting Supermassive Black Hole at Centre of Galaxy

ESOcast 120: Chile Chill 10 – “VLT Main Mirror Recoating”

7 Aug. 2017 — ann17050

ESOcast 120: Chile Chill 10: VLT Main Mirror Recoating

ESO’s Paranal and Armazones sites are connected to the Chilean national electricity grid

4 Aug. 2017 — ann17049

Chilean Minister of Energy Sees Paranal Connect to National Electricity Grid

ESOcast 119: AOF First Light

2 Aug. 2017 — ann17048

ESOcast 119: AOF First Light

Cover of ESO calendar 2018

1 Aug. 2017 — ann17047

ESO Calendar 2018 Now Available

Cover of The Messenger No. 168

18 July 2017 — ann17046

The Messenger No. 168 Now Available

ESO on Instagram

14 July 2017 — ann17045

Follow ESO on Instagram

Sean Dougherty appointed ALMA Director

10 July 2017 — ann17044

ALMA Appoints New Director

ESA will site its Test-Bed Telescope at La Silla

7 July 2017 — ann17043

ESO and ESA Reach Agreement to Site Test-Bed Telescope at La Silla

ESOcast 116: Success or Failure: How to Get Observing Time

7 July 2017 — ann17042

ESOcast 116: OPC 100

The unusual exoplanet HIP 65426b — SPHERE's first

6 July 2017 — ann17041

ESO’s SPHERE Unveils its First Exoplanet

All around the starry sky

4 July 2017 — ann17039

Planetarium News

The LEGO® model of the Paranal platform is handed over to ESO’s Director General

29 June 2017 — ann17038

Astronomers Build the Most Advanced Observatory in the World from LEGO®

ELT mirror segments being tested

19 June 2017 — ann17037

ELT Primary Mirror Prepares to Flex its Muscles

19 June 2017 — ann17036

Red Dots: The Live Search for Terrestrial Planets around Proxima Centauri Continues

ESOcast 112: Catching Starlight

16 June 2017 — ann17035

ESOcast 112: Catching Starlight

Summer AstroCamp 2016

15 June 2017 — ann17034

Winner of Summer AstroCamp 2017 Bursary Announced

Cover of Science in School issue No.40

15 June 2017 — ann17033

Science in School: Issue 40 Now Available

Cover of the Annual Report 2016

13 June 2017 — ann17032

ESO Annual Report 2016 Now Available

ELT adaptive optics

12 June 2017 — ann17031

Renaming the E-ELT

ESO Astronomy Camp

6 June 2017 — ann17030

Fifth ESO Astronomy Winter Camp for Secondary School Students

The Big Science Business Forum 2018

5 June 2017 — ann17029

Meet ESO at the Big Science Business Forum 2018

Moon and Venus over Chile

30 May 2017 — ann17028

Funding Opportunities in Chile (Anuncio de Oportunidades)

The optical system of the ELT showing the location of the mirrors

22 May 2017 — ann17027

ESO Awards ELT Sensor Contract to Teledyne e2v

APEX and snowy Chajnantor

12 May 2017 — ann17026

APEX Extension Agreement Signed

Muse the Medusa

11 May 2017 — ann17025

MUSE: New Free Film about ESO’s Cosmic Time Machine

Watching last minute proposals come in

10 May 2017 — ann17024

ALMA Receives Over 1700 Proposals for Next Observing Cycle

Strategic partnership discussions between Australia and ESO

9 May 2017 — ann17023

Start of Strategic Partnership Discussions Between Australia and ESO

ESOcast 106: ChileChill 9 — Lasers over Paranal

5 May 2017 — ann17022

ESOcast 106: Chile Chill 9 - Lasers Over Paranal

Rachael Roettenbacher, winner of the 2017 Olivier Chesneau Prize

3 May 2017 — ann17021

2017 Olivier Chesneau Prize Awarded to Rachael Roettenbacher

ESOcast 104: Data2Dome: From the Universe to You

27 April 2017 — ann17020

ESOcast 104: Data2Dome: From the Universe to You

27 April 2017 — ann17019

ESO and Partners Launch Innovative Data2Dome Planetarium System

Bernard Delabre

6 April 2017 — ann17018

ESO Engineer Wins 2017 Tycho Brahe Prize

Artist's rendering of the Extremely Large Telescope

5 April 2017 — ann17017

Media Advisory: Extremely Large Telescope First Stone Ceremony

Summer AstroCamp 2017

4 April 2017 — ann17016

Apply Now for the Summer AstroCamp 2017

The Event Horizon Telescope and Global mm-VLBI Array on the Earth

31 March 2017 — ann17015

Attempting the Impossible: Taking the First Picture of a Black Hole

Cover of Science in School issue No.39

31 March 2017 — ann17014

Science in School: Issue 39 Now Available

Pale Red Dot campaign wins Guardian University Award

30 March 2017 — ann17013

Pale Red Dot Campaign Wins Guardian University Award

Cover of The Messenger No. 167

28 March 2017 — ann17012

The Messenger No. 167 Now Available

Consular Corps visits ESO HQ

17 March 2017 — ann17011

Consular Corps Visits ESO HQ in Garching

15 March 2017 — ann17010

Catch a Star 2017 Contest Now Open

Number of papers published using observational data from different observatories (1996–2016)

3 March 2017 — ann17009

ESO Remains World’s Most Productive Ground-based Observatory

ESOcast 96: Ultracool Dwarf and the Seven Planets

22 Feb. 2017 — ann17008

ESOcast 96: Ultracool Dwarf and the Seven Planets

22 Feb. 2017 — ann17007

2017 Insight Astronomy Photographer of the Year Competition Opens

AstroCamp students

20 Feb. 2017 — ann17006

ESO Announces Support of Summer AstroCamp

The optical system of the ELT showing the location of the mirrors

15 Feb. 2017 — ann17005

ESO Awards Contract to Polish the ELT Tertiary Mirror

Photo Nightscape Awards 2017

27 Jan. 2017 — ann17004

Win a Trip to Paranal with the Photo Nightscape Awards 2017

Dramatic moonset — amazing sight on Cerro Paranal, home of ESO’s Very Large Telescope*

20 Jan. 2017 — ann17003

Girls’ Day Event at ESO Headquarters in Garching, Germany

11 Jan. 2017 — ann17002

Catch a Star 2016 Contest Winners Announced

The Orion a molecular cloud from VISTA

4 Jan. 2017 — ann17001

ESOcast Light series

Orbital plot of Proxima Centauri

22 Dec. 2016 — ann16089

Orbit of Proxima Centauri Determined After 100 Years

Cover of The Messenger No. 166

20 Dec. 2016 — ann16088

The Messenger No. 166 Now Available

19 Dec. 2016 — ann16087

Space Scoop Selected as Great Website for Kids

A large slice of the Universe

15 Dec. 2016 — ann16086

3D Map of Distant Galaxies Completed

Cover picture of CAP Journal issue 21

15 Dec. 2016 — ann16085

CAPjournal Issue 21 Now Available

Cover of Science in School issue No.38

6 Dec. 2016 — ann16084

Science in School: Issue 38 Now Available

Winner of 2016 De Zeeuw-Van Dishoeck Graduation Prize for Astronomy announced

29 Nov. 2016 — ann16083

Winner of 2016 De Zeeuw-Van Dishoeck Graduation Prize for Astronomy Announced

ESOcast 89: Chile Chill 8 – “A Bird’s Eye View of ESO Observatories”

29 Nov. 2016 — ann16082

ESOcast 89: Chile Chill 8 - A Bird’s Eye View of ESO’s Observatories

Photo Nightscape Award 2016 award ceremony

14 Nov. 2016 — ann16081

Winners of 2016 Photo Nightscape Awards Announced

PARI 2017 workshop on Public Awareness of Research Infrastructures

9 Nov. 2016 — ann16080

ESO Hosts Workshop on Communicating Science to Society

ESO astronomy camp 2014

4 Nov. 2016 — ann16079

Winners of Fourth ESO Astronomy Camp Bursaries Announced

The VLT’s new deformable secondary mirror

28 Oct. 2016 — ann16078

First Light for Largest Adaptive Optics System

ESOcast 88: Fulldome Specialists visit Chile

27 Oct. 2016 — ann16077

ESOcast 88: Fulldome Specialists visit Chile

Former Finnish President Tarja Halonen visits ESO in Chile

25 Oct. 2016 — ann16076

Former Finnish President Visits Paranal

The predicted trajectory of Alpha Centauri A and B

20 Oct. 2016 — ann16075

The Future of Alpha Centauri

Night-time image from the Paranal webcam

20 Oct. 2016 — ann16074

New Webcams for ALMA and Paranal

ESPRESSO milestone

17 Oct. 2016 — ann16073

ESPRESSO Sees Light at the End of the Tunnel

17 Oct. 2016 — ann16072

Olivier Chesneau Prize 2017

ESO Open House Day 2016

17 Oct. 2016 — ann16071

Programme for the ESO Open House Day 2016 now available

ESO Youtube channel

11 Oct. 2016 — ann16070

ESO racks up five million views on YouTube

10 Oct. 2016 — ann16069

New ESO Supernova Partner: Evans & Sutherland

Winners of the 2016 European Union Contest for Young Scientists

29 Sept. 2016 — ann16068

Winners of the 2016 European Union Contest for Young Scientists Announced

ESO Open House Day 2016

28 Sept. 2016 — ann16067

ESO Open House Day 2016

Green power comes to La Silla

23 Sept. 2016 — ann16065

Green Power Comes to La Silla

Cover of The Messenger No. 165

21 Sept. 2016 — ann16064

The Messenger No. 165 Now Available

La Silla and surroundings

16 Sept. 2016 — ann16063

Media Advisory: Green Power Comes to La Silla

Insight Astronomy Photographer of the Year award ceremony

16 Sept. 2016 — ann16062

Winners of Insight Astronomy Photographer of the Year 2016 announced

Cover of Science in School issue No.37

13 Sept. 2016 — ann16061

Science in School: Issue 37 now available

ESO staff share prestigious award celebrating innovation in laser technology

12 Sept. 2016 — ann16060

ESO Staff Share Prestigious Award Celebrating Innovation in Laser Technology

The ALMA Residencia design

9 Sept. 2016 — ann16059

ALMA Residencia Design Featured at Prestigious 2016 Architecture Biennale

1 Sept. 2016 — ann16058

New Free Planetarium Products from ESO

Radiance of Milky Way over La Silla

24 Aug. 2016 — ann16057

Media Advisory: Press Conference at ESO HQ to Make Important Announcement

ESOcast 87: Planet found around closest Star

24 Aug. 2016 — ann16056

ESOcast 87: Planet found around closest Star

Signature of the 4MOST agreement

23 Aug. 2016 — ann16055

Agreement Signed to Build 4MOST

Description of ALMA Cycle 4 main new capabilities

23 Aug. 2016 — ann16054

Record Amount of Time Requested in Cycle 4 Proposals for ALMA

Cover picture of CAP Journal issue 20

5 Aug. 2016 — ann16053

CAPjournal Issue 20 Now Available

ESO Calendar 2017 cover

3 Aug. 2016 — ann16052

ESO Calendar 2017 Now Available

ESO's Very Large Telescope array

2 Aug. 2016 — ann16051

Exciting New Virtual Tours of ESO’s Observatories and Facilities

19 July 2016 — ann16050

ALMA Explores the Magnetic Universe

ESOcast 86: From Dr. to Professor -- about the important role of ESO’s community

19 July 2016 — ann16049

ESOcast 86: Dr. J Becomes Prof. J

HE Bert Koenders in the control room at Paranal

18 July 2016 — ann16048

Dutch Foreign Minister Visits Paranal

Cover of The Messenger No. 164

8 July 2016 — ann16047

The Messenger No. 164 Now Available

ESO 1-metre telescope

7 July 2016 — ann16046

First Light for FIDEOS

The M2 polishing contract is signed

6 July 2016 — ann16045

ESO Signs Contract to Polish the E-ELT Secondary Mirror

ALMA telescope dishes

1 July 2016 — ann16044

Agreement to Build Band 1 Receivers for ALMA

Prof. Tim de Zeeuw visiting Paranal Observatory

1 July 2016 — ann16043

ESO Council Launches Search for Next Director General

Kuiper Belt's ice cores

30 June 2016 — ann16042

VISTA’s Zoo of Minor Planets

The MASCARA cameras

29 June 2016 — ann16041

New Exoplanet Hunter to be Sited at ESO's La Silla Observatory

ESO Supernova star-roof kissed by Sun

28 June 2016 — ann16040

ESO Supernova Basic Construction Complete

ESO Member States' flags

24 June 2016 — ann16039

ESO and the United Kingdom

24 June 2016 — ann16038

La Silla Observatory Opens for Public Visits during Winter

ESOcast 85: Chile Chill 7 — "Visitors to the Desert"

21 June 2016 — ann16037

ESOcast 85: Chile Chill 7

One of the new MOONS detectors

20 June 2016 — ann16036

ESO Signs Agreement to Build Detectors for MOONS

ALMA Sounds: bringing together artists and astronomers to create a common language

17 June 2016 — ann16035

ALMA Sounds, an Interactive Project to Search for a Common Cosmic Language

Cover of Science in School issue No.36

16 June 2016 — ann16034

Science in School: Issue 36 now available

Cover of the Annual Report 2015

16 June 2016 — ann16033

ESO Annual Report 2015 Now Available

Still image from La Silla video compilation

2 June 2016 — ann16032

New Video Compilation: ESO’s La Silla Telescopes in 2016

ESO Astronomy Camp 2016

31 May 2016 — ann16031

Fourth ESO Astronomy Camp for Secondary School Students

ESOcast 84: The New E-ELT Design Unveiled

25 May 2016 — ann16030

ESOcast 84: The New E-ELT Design Unveiled

Space Scoop comic contest

20 May 2016 — ann16029

Space Scoop Launches Comic Contest

Bird's-eye view of the ELT

18 May 2016 — ann16028

Media Advisory: ESO Press Conference about Largest Ever Contract in Ground-based Astronomy

ESOcast 83: Ultracool Dwarf with Planets

2 May 2016 — ann16027

ESOcast 83 Ultracool Dwarf Planets

A galactic view from the observation deck

22 April 2016 — ann16026

Funding Opportunities in Chile (Anuncio de Oportunidades)

Green light for GALACSI's blue glow

15 April 2016 — ann16025

GALACSI Adaptive Optics System Ready to be Mounted on the VLT

Star-roof lifted into place

12 April 2016 — ann16024

ESO Supernova Star Roof Complete

Paranal sky with comet

5 April 2016 — ann16023

An Infrequent Visitor to the Skies Above Paranal

Johannes Kepler

1 April 2016 — ann16022

Teacher Training on Kepler’s Laws and Modern Astronomy

Cover of The Messenger No. 163

31 March 2016 — ann16021

The Messenger No. 163 Now Available

Auxiliary silhouettes

29 March 2016 — ann16020

NAOMI Contract Signed

Number of papers published using observational data from different observatories

29 March 2016 — ann16019

ESO Remains World’s Most Productive Ground-based Observatory

Cover picture of CAP Journal issue 19

24 March 2016 — ann16018

CAPjournal Rosetta Special Out Now

Bird's-eye view of the ELT

23 March 2016 — ann16017

Planning Starts for MOS and HIRES Instruments on the E-ELT

The VLT four laser guide stars

21 March 2016 — ann16016

Media Advisory: First Light Event for VLT’s Four New Lasers

#MeetESO, ESO’s first social media gathering in Chile

16 March 2016 — ann16015

#MeetESO participants announced

Quadrature - satelliten - the Netherlands

15 March 2016 — ann16014

Winners of art&science@ESO Residency Award 2015 Announced

The LEGO® VLT model against the real Milky Way

14 March 2016 — ann16013

New ESO VLT LEGO® Model

The cover of Science in School issue 35

10 March 2016 — ann16012

Science in School: Issue 35 now available

ESOcast 82: Zodiacal Light

4 March 2016 — ann16011

ESOcast 82: Zodiacal Light

#MeetESO, ESO’s first social media gathering in Chile

15 Feb. 2016 — ann16010

Join ESO’s first social media gathering

The Photo Nightscape Awards poster

12 Feb. 2016 — ann16009

Win a Trip to Paranal with the Photo Nightscape Awards 2016

The APEX telescope and visitors on the occasion of the 10th anniversary

10 Feb. 2016 — ann16008

APEX Celebrates Ten Years Exploring the Cold Universe

Artist’s impression of the European Extremely Large Telescope (E-ELT)

4 Feb. 2016 — ann16007

Major E-ELT Milestone

Flags at ESO Headquarters

1 Feb. 2016 — ann16006

Girls’ Day Event at ESO Headquarters in Garching, Germany

ESOcast 81: Red Sprites

1 Feb. 2016 — ann16005

ESOcast 81: Spirits in the Sky!

1 Feb. 2016 — ann16004

Catch a Star 2016 Contest Now Open

ESOcast 80: Follow a Live Planet Hunt

15 Jan. 2016 — ann16003

ESOcast 80: Follow a Live Planet Hunt!

The Pale Red Dot Campaign

15 Jan. 2016 — ann16002

Follow a Live Planet Hunt!

7 Jan. 2016 — ann16001

Insight Astronomy Photographer of the Year 2016 Competition Dates

ESO and CERN sign cooperation agreement

18 Dec. 2015 — ann15098

ESO and CERN Sign Cooperation Agreement

ALMA trilateral agreement signed

18 Dec. 2015 — ann15097

ALMA Trilateral Agreement Signed

Cover of The Messenger No. 162

18 Dec. 2015 — ann15096

The Messenger No. 162 Now Available

Banner of the new Space Scoop webpage

16 Dec. 2015 — ann15095

New Space Scoop Website Launched

Ireland to explore possibility of joining ESO

10 Dec. 2015 — ann15094

Ireland to Explore Possibility of Joining ESO

Agreement signed for E-ELT MAORY adaptive optics system

10 Dec. 2015 — ann15093

Agreement Signed for E-ELT MAORY Adaptive Optics System

ESOcast 79: 20 Years of Exoplanets

8 Dec. 2015 — ann15092

ESOcast 79: 20 Years of Exoplanets

Sebastiaan Haffert wins De Zeeuw–Van Dishoeck Graduation Prize for Astronomy

1 Dec. 2015 — ann15091

De Zeeuw–Van Dishoeck Graduation Prize Awarded to Sebastiaan Haffert

The cover of Science in School issue 34

30 Nov. 2015 — ann15090

Science in School: Issue 34 now available

One of the units of the Four Laser Guide Star Facility for the VLT

27 Nov. 2015 — ann15089

Laser Guide Star Units Accepted and Shipped to Chile

The past, present and future appearances of the Refsdal supernova

25 Nov. 2015 — ann15088

MUSE Observations Enable Prediction of Once-in-a-lifetime Supernova Replay

ALMA expands its power into global interferometry

10 Nov. 2015 — ann15087

ALMA Links with Other Observatories to Create Earth-sized Virtual Telescope

Photo Nightscape Awards 2015

10 Nov. 2015 — ann15086

Winners of Photo Nightscape Award 2015 Announced

GROND image of the gamma-ray burst GRB 151027B

6 Nov. 2015 — ann15085

ESO Telescopes Observe Swift Satellite’s 1000th Gamma-ray Burst

ESOcast 78: Airglow

4 Nov. 2015 — ann15084

ESOcast 78: Airglow Mystery

Ceremony marks excellent progress with ESO Supernova construction

29 Oct. 2015 — ann15083

Ceremony Marks Excellent Progress in Constructing ESO Supernova

Music for a Dying Star

27 Oct. 2015 — ann15082

Listen to the Music of a Dying Star

Ars Electronica Center in Linz, Austria

21 Oct. 2015 — ann15081

ESO Art & Science Residency Applications Open

ESO Astronomy Camp 2015

19 Oct. 2015 — ann15080

Winners of Third ESO Astronomy Camp Bursaries Announced

ESOcast 77: Mysterious Ripples Found Racing Through Planet-forming Disc

7 Oct. 2015 — ann15079

ESOcast 77: Mysterious Ripples Found Racing Through Planet-forming Disc

Early morning on Paranal*

6 Oct. 2015 — ann15078

Astronomy Week at the Chilean ExpoMilan Pavilion

ALMA exhibition opens in Santiago

5 Oct. 2015 — ann15077

ALMA Exhibition Opens in Santiago

10 000th free image uploaded to the ESO image archive

2 Oct. 2015 — ann15076

10 000th Free Image Published in the ESO Image Archive

Cover of CAPjournal issue 18

30 Sept. 2015 — ann15075

CAPjournal Issue 18 Now Available

Rock star and astrophysicist Brian May visits Paranal

30 Sept. 2015 — ann15074

Rock Star and Astrophysicist Brian May Visits Paranal

Agreement signed for METIS instrument for E-ELT

28 Sept. 2015 — ann15073

Agreement Signed for METIS Instrument for E-ELT

2015 European Union Contest for Young Scientists

25 Sept. 2015 — ann15072

Winners of the 2015 European Union Contest for Young Scientists Announced

ESOcast 76: A Polarised View of Stellar Magnetism

25 Sept. 2015 — ann15071

ESOcast 76: A Polarised View of Stellar Magnetism

Agreement signed to build HARMONI spectrograph for the E-ELT

23 Sept. 2015 — ann15070

Agreement Signed for E-ELT HARMONI Instrument

Cover of The Messenger No. 161

22 Sept. 2015 — ann15069

The Messenger No. 161 Now Available

MICADO agreement signed

18 Sept. 2015 — ann15068

Agreement Signed for MICADO Camera for E-ELT

Map of Chile showing location of the earthquake of 16 September 2015

17 Sept. 2015 — ann15067

Earthquake in Chile: No Casualties or Damage at ESO Sites

The cover of Science in School issue 33

17 Sept. 2015 — ann15066

Science in School: Issue 33 now available

ALMA Residencia webcams

11 Sept. 2015 — ann15065

Live Webcams at the ALMA Residencia

ESO and ESA Directors General sign cooperation agreement

24 Aug. 2015 — ann15064

ESO and ESA Directors General Sign Cooperation Agreement

The cover of the 2016 ESO Calendar

20 Aug. 2015 — ann15063

ESO Calendar 2016 Now Available

ESOcast 75: ESO’s Top 10 Discoveries

20 Aug. 2015 — ann15062

ESOcast 75: ESO’s Top 10 Discoveries

GRAVITY: a powerful new probe of black holes

11 Aug. 2015 — ann15061

Powerful New Black Hole Probe Arrives at Paranal

Poland ratifies ESO membership and becomes fifteenth Member State

5 Aug. 2015 — ann15060

Poland Ratifies ESO Membership

Band 5 ALMA receiver

17 July 2015 — ann15059

ALMA Greatly Improves Capacity to Search for Water in Universe

The site of the future Cherenkov Telescope Array

16 July 2015 — ann15058

Paranal Observatory First Choice to Host World’s Largest Array of Gamma-ray Telescopes

Cover of Science in School 32 — Summer 2015

10 July 2015 — ann15057

Science in School: Issue 32 now available

The first E-ELT instruments

10 July 2015 — ann15056

First Instruments for E-ELT Approved

ESO signs contract with Reosc for E-ELT M4 shell mirrors

8 July 2015 — ann15055

ESO Signs Contract for Deformable Shell Mirrors for E-ELT

7 July 2015 — ann15054

Catch a Star 2015 Contest Winners Announced

Cover of The Messenger No. 160

7 July 2015 — ann15053

The Messenger No. 160 Now Available

Cover of the ALMA radioastronomy manual

6 July 2015 — ann15052

ALMA Material for Teachers

A strong showing at Paranal

3 July 2015 — ann15051

Chilean Industry Day in Antofagasta

Cover of CAPjournal issue 17

30 June 2015 — ann15050

CAPjournal Issue 17 Now Available

The 2013 ESO Industry Day in Warsaw, Poland

29 June 2015 — ann15049

Invitation to Polish Industry Day in Warsaw

Art exhibit at ALMA

26 June 2015 — ann15048

Artistic Apparition at ALMA

Professor Michel Mayor, winner of the 2015 Kyoto Prize

25 June 2015 — ann15047

Astrophysicist Michel Mayor Receives Kyoto Prize

Open House Day 2014

22 June 2015 — ann15046

Programme for The Long Night of Science 2015 Available

Contract signed for final design and construction of largest adaptive mirror unit in the world

19 June 2015 — ann15045

Contract Signed for Final Design and Construction of Largest Adaptive Mirror Unit in the World

Cover of the Annual Report 2014

16 June 2015 — ann15044

ESO Annual Report 2014 Now Available

AstroCamera astrophotography competition

15 June 2015 — ann15043

AstroCamera 2015 Winners Announced

RAPID: A high-speed infrared detector

15 June 2015 — ann15042

Revolutionary New High-speed Infrared Detector Sees First Light

The MUSE instrument on the VLT: equipped with 24 continuous flow cooling systems

9 June 2015 — ann15041

ESO Signs Technology Transfer Licence Agreement for Cooling System

"From Earth to the Universe" movie poster

9 June 2015 — ann15040

First Free Downloadable Planetarium Show

Screenshot of the Chilean President Michelle Bachelet video conference with Paranal Observatory from Expo Milano 2015

8 June 2015 — ann15039

ESO at Expo Milano 2015

ESO Astronomy Camp 2015

25 May 2015 — ann15038

Third ESO Astronomy Camp for Secondary School Students

Laser frequency comb installed on HARPS

22 May 2015 — ann15037

HARPS Laser Frequency Comb Commissioned

Open House Day 2015

20 May 2015 — ann15036

Open House at ESO for the Long Night of Science

Breakdown of ALMA Cycle 3 proposals by category

8 May 2015 — ann15035

ALMA Cycle 3 Call for Proposals Attracts Record Number of Proposals

First light of new laser on Adaptive Optics Facility at Paranal

8 May 2015 — ann15034

First Light of New Laser at Paranal

ESO’s Director General meets EAO Directors

4 May 2015 — ann15033

ESO and East Asian Observatory Meet for First Time

ESOcast 74: Mapping the Southern Skies

30 April 2015 — ann15032

ESOcast 74: Mapping the Southern Skies

Julien Milli, first recipient of the Olivier Chesneau Prize

29 April 2015 — ann15031

2015 Olivier Chesneau Prize Awarded to Julien Milli

The Moon sets over Paranal

27 April 2015 — ann15030

Funding Opportunities in Chile (Anuncio de Oportunidades)

ALMA image of the gravitationally lensed galaxy SDP.81

7 April 2015 — ann15028

ALMA at Full Stretch Yields Spectacular Images

Donor of the planetarium and visitor centre

31 March 2015 — ann15029

Klaus Tschira, 1940–2015

360-degree panorama of the ESO Headquarters

27 March 2015 — ann15027

Spanish Industry Day at ESO

26 March 2015 — ann15026

ESO Now Delivers Videos and Fulldome Material Faster

Extreme weather at ALMA 27.2.2015

25 March 2015 — ann15025

Storm Affecting the North-Central Chile

Cover of The Messenger No. 159

24 March 2015 — ann15024

The Messenger No. 159 Now Available

Girls' Day Event at ESO Headquarters in 2014

19 March 2015 — ann15023

Girls’ Day Event at ESO Headquarters in Garching, Germany

ESOcast 73: Chile Chill 6 — "Your ESO Pictures"

19 March 2015 — ann15022

ESOcast 73 — Your ESO Pictures

Artist María Ignacia Edwards in her studio

17 March 2015 — ann15021

Winner of ESO Art & Science Residency Announced

The ALMA Operations Support Facility

17 March 2015 — ann15020

ALMA Opens For Public Visits

Cover of Science in School 31 — Spring 2015

13 March 2015 — ann15019

Science in School: Issue 31 now available

The constellation of Cassiopeia over a thunderstorm

11 March 2015 — ann15018

Astrocamera 2015 Competition Open for Entries

Photo Nightscape Awards 2015

6 March 2015 — ann15017

Win a Trip to Paranal with the Photo Nightscape Awards 2015

Information event at the Garching Forschungscampus

6 March 2015 — ann15016

Discover the ESO Supernova

ALMA Performs Its First Very Long Baseline Observations

5 March 2015 — ann15015

ALMA Performs Its First Very Long Baseline Observations

Number of papers published using observational data from different observatories

5 March 2015 — ann15014

ESO Remains World’s Most Productive Ground-based Observatory

Unveiling ceremony for plaque commemorating the signing of the Leiden Statement

4 March 2015 — ann15013

Plaque Commemorating Leiden Statement Unveiled

ESOcast 72: Looking Deeply into the Universe in 3D

26 Feb. 2015 — ann15012

ESOcast 72: Looking Deeply into the Universe in 3D

Artist’s impression of ESO Supernova Planetarium & Visitor Centre

24 Feb. 2015 — ann15011

Groundbreaking Ceremony for ESO Supernova Planetarium & Visitor Centre

Testing laser guide star systems on Tenerife

10 Feb. 2015 — ann15010

First Light for Laser Guide Star Technology Collaboration

ESO’s Facebook page welcomes its 100 000th friend

10 Feb. 2015 — ann15009

Thank You, 100 000 Facebook Friends!

The Gum 15 star formation region

4 Feb. 2015 — ann15008

Teacher Training on Stellar Evolution

Louise Mayor wins the 2014 European Astronomy Journalism Prize

2 Feb. 2015 — ann15007

2014 European Astronomy Journalism Prize Winner Announced

The new planetarium and visitor centre at ESO Headquarters

26 Jan. 2015 — ann15006

Media Advisory: Groundbreaking Ceremony for the ESO Supernova

New high-speed fibre optic data link to ALMA

20 Jan. 2015 — ann15005

New High-speed Fibre Optic Data Link to ALMA

ALMA Residencia: general view of the array of buildings

16 Jan. 2015 — ann15004

ALMA Residencia Construction to Start

E-ELT primary mirror prototype segment support systems

16 Jan. 2015 — ann15003

ESO Awards Contracts for E-ELT Primary Mirror Segment Support System Units

ESOcast 71: New Exoplanet-hunting Telescopes on Paranal

14 Jan. 2015 — ann15002

ESOcast 71: New Exoplanet-hunting Telescopes on Paranal

360-degree panorama of the ESO Headquarters

9 Jan. 2015 — ann15001

ESO Hosts Workshop on Public Awareness of Research Infrastructures

Cover of The Messenger No. 158

15 Dec. 2014 — ann14093

The Messenger No. 158 Now Available

Cover of CAPjournal issue 16

4 Dec. 2014 — ann14092

CAPjournal Issue 16 Now Available

ESOcast 70: Green Light for E-ELT Construction

4 Dec. 2014 — ann14091

ESOcast 70 — Green Light for E-ELT Construction

Connect with ESO in your language

1 Dec. 2014 — ann14090

Connect with ESO in your Language

28 Nov. 2014 — ann14089

Catch a Star 2015 Contest Now Open

Journey to the centre of the Milky Way

26 Nov. 2014 — ann14088

Journey to the Centre of the Milky Way

Tim de Zeeuw receives honorary degree from University of Padova

25 Nov. 2014 — ann14087

Tim de Zeeuw Receives Honorary Degree

Ulrike Kuchner and astronomical spectra

18 Nov. 2014 — ann14086

Astronomical Art in Santiago

ESO Astronomy Camp 2014 — Measuring the Universe

14 Nov. 2014 — ann14085

Winners of Second ESO Astronomy Camp Bursaries Announced

Members of the teams that won the 2015 Breakthrough Prize in Fundamental Physics

11 Nov. 2014 — ann14084

ESO Staff Share 2015 Breakthrough Prize

ESOcast 69: Revolutionary ALMA Image Reveals Planetary Genesis

6 Nov. 2014 — ann14083

ESOcast 69: Revolutionary ALMA Image Reveals Planetary Genesis

ESOcast 68: ESO Opens its Doors

24 Oct. 2014 — ann14082

ESOcast 68: ESO Opens its Doors

Cover of ESO Calendar 2015

24 Oct. 2014 — ann14081

ESO Calendar 2015 Now Available

Screenshot of the new homepage

21 Oct. 2014 — ann14080

ESO Web Pages Redesigned

The winning entry of the 2014 Photo Nightscape Award

16 Oct. 2014 — ann14079

Winners of Photo Nightscape Award 2014 Announced

Olivier Chesneau Prize established

16 Oct. 2014 — ann14078

Olivier Chesneau Prize Established

Cover of Science in School 30 — Autumn 2014

14 Oct. 2014 — ann14077

Science in School: Issue 30 now available

Cover of The Messenger No. 157

9 Oct. 2014 — ann14076

The Messenger No. 157 Now Available

ESO Headquarters

8 Oct. 2014 — ann14075

Tools, best practices and methodologies for Technology Transfer

Reopening ceremony for ESO exhibition a window to the Universe

8 Oct. 2014 — ann14074

ESO Exhibition A Window to the Universe Reopened in Antofagasta

Open House Day 2014

7 Oct. 2014 — ann14073

Programme: Open House Day 2014

16 June 2021 — eso2109a

Who Turned off the Lights on Betelgeuse? (ESOcast 238 Light)

Picture of the Week

A cosmic rainbow over the VLT

12 July 2021 — potw2128

A cosmic rainbow over the VLT

ESO’s ELT home in the desert

5 July 2021 — potw2127

ESO’s ELT home in the desert

Brilliant Halo at La Silla

28 June 2021 — potw2126

Brilliant Halo at La Silla

New Technology for a Sharper Future

21 June 2021 — potw2125

New Technology for a Sharper Future

Touching the Arc of Space

14 June 2021 — potw2124

Touching the Arc of Space

7 June 2021 — potw2123

A failed galaxy

31 May 2021 — potw2122

A failed galaxy

A sea of clouds

24 May 2021 — potw2121

A sea of clouds

Downslope at La Silla

17 May 2021 — potw2120

Downslope at La Silla

10 May 2021 — potw2119

Highlights

ESO on Instagram

Societal Benefits

Portal to the Universe

ESOShop

It's a face... It's a horse head... It's a nebula!

It's a face... It's a horse head... It's a nebula!

Finding familiar patterns in cosmic objects

Juan Carlos Muñoz Mateos

Capricious Cosmos

Capricious Cosmos

How do astronomers study the most unpredictable objects in the Universe?

Juan Carlos Muñoz Mateos

Stunning images and fantastic discoveries

Stunning images and fantastic discoveries

Ten years of the VLT Survey Telescope

Is there life on Earth?

Is there life on Earth?

How observing lunar eclipses helps us search for life in other planets

Juan Carlos Muñoz Mateos

Meet our PhD students

Meet our PhD students

How studying at ESO can open your doors to the stars

Emma Foxell
Juan Carlos Muñoz Mateos

Paranal Perspectives

Paranal Perspectives

How ESO’s flagship observatory has changed over time, through the eyes of engineer and photographer Gerhard Hüdepohl

A 40-year-long mystery: heavy elements unveil the origin of the giant Leo Ring

A 40-year-long mystery: heavy elements unveil the origin of the giant Leo Ring

Justin Tabbett
Emma Foxell

Who’s who on the ELT - Part III

Who’s who on the ELT - Part III

The faces behind the world’s biggest eye on the sky

In conversation with Catherine Cesarsky:

In conversation with Catherine Cesarsky:

the former ESO Director General talks new projects, leadership and future scientific advances

Interview with Catherine Cesarsky

Music from ALMA: the sound of the birthplace of stars

Music from ALMA: the sound of the birthplace of stars

Vera Matenaar, Giulia Perotti, Catarina Fernandes and Hannah Calcutt

26 February 2021

First Image of a Black Hole

First Image of a Black Hole

The Very Large Telescope snaps a stellar nursery and celebrates fifteen years of operations

The Very Large Telescope snaps a stellar nursery and celebrates fifteen years of operations

Stellar Nursery Blooms into View

Stellar Nursery Blooms into View

Thor’s Helmet Nebula imaged on the occasion of ESO’s 50th anniversary

Thor’s Helmet Nebula imaged on the occasion of ESO’s 50th anniversary

VLT looks into the eyes of the Virgin

VLT looks into the eyes of the Virgin

A 340-million pixel starscape from Paranal

A 340-million pixel starscape from Paranal

The Helix Nebula*

The Helix Nebula*

The centre of the Milky Way*

The centre of the Milky Way*

The Horsehead Nebula*

The Horsehead Nebula*

A deep infrared view of the Orion Nebula from HAWK-I

A deep infrared view of the Orion Nebula from HAWK-I

The Carina Nebula imaged by the VLT Survey Telescope

The Carina Nebula imaged by the VLT Survey Telescope

A deep look at the strange galaxy Centaurus A

A deep look at the strange galaxy Centaurus A

ESO’s VLT reveals the Carina Nebula's hidden secrets

ESO’s VLT reveals the Carina Nebula's hidden secrets

VST image of the giant globular cluster Omega Centauri*

VST image of the giant globular cluster Omega Centauri*

VST image of the star-forming region Messier 17

VST image of the star-forming region Messier 17

Messier 78: a reflection nebula in Orion

Messier 78: a reflection nebula in Orion

2M1207b - first image of an exoplanet

2M1207b - first image of an exoplanet

The hidden fires of the Flame Nebula*

The hidden fires of the Flame Nebula*

The Milky Way panorama

The Milky Way panorama

The Omega Nebula

The Omega Nebula

The World’s Biggest Eye on the Sky

In search of our Cosmic Origins

The world’s most advanced visible-light astronomical observatory

ESO’s first observatory

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