
The first European antenna for ALMA is handed over to the observatory

Sunlight enters a VLT Dome

An island in the desert

The entire Large Magellanic Cloud with annotations

Great progress for the ALMA Santiago Central Office building

The ALMA transporter carrying an antenna at the OSF

La Silla Observatory

APEX image calendar, December 2010 — Chajnantor at sunrise

Details of the VISTA Fornax galaxy cluster image

NGC 6193 and NGC 6231: open clusters of stars

ALMA night testing

ESO Headquarters in Garching

Young asteroids look old

A virtual 100-metre telescope

The Einstein Cross

The quiet explosion

A disc in the Ant Nebula

A flared proto-planetary disc (artist's impression)

The stellar cluster Hodge 301

The Supernova scenario

Mercury transit on May 7, 2003

Mercury transit on May 7, 2003

The Orion Nebula and Trapezium cluster (detail)

Globular cluster NGC1916 near N119 in the Large Magellanic Cloud

Globular cluster NGC 1261

Artist’s impression of supersonic winds on WASP-127b

Highlights of the Dark Wolf Nebula

Group photo at the signing of the ELT M5 commissioning mirror agreement

Signing of the ELT M5 commissioning mirror agreement

Equipment from the OASIS project at ESO’s Paranal Observatory

An aerial view of the OASIS project container at ESO’s Paranal Observatory

A view of the OASIS container on ESO’s Paranal Observatory

Researchers setting up the OASIS project container at ESO’s Paranal Observatory

ELT M1 segments take shape at Safran Reosc polishing facilities

ELT M1 segment assembly in final inspection

The ELT M2 mirror in metrology

ELT M1 segment blanks queuing in the Safran Reosc polishing facilities

Sunset at the ELT construction site

The BlackGEM array at ESO’s La Silla Observatory

Close up of the BlackGEM array at ESO’s La Silla Observatory

ESO’s 60th anniversary

The moon Ganymede seen by SPHERE

The moon Ganymede seen by SPHERE

The moon Europa seen by SPHERE

The moon Ganymede seen by SPHERE

The moon Ganymede seen by SPHERE

A close-up view of Messier 77’s active galactic nucleus

Locations of the rogue planets found

Rendering of M4

Rendering of M4

Moon-forming disc around the PDS 70c exoplanet as seen with ALMA

Colourful edges on the lowering Sun in La Silla

VLT Unit Telescopes observing a comet

A watercolour sky

Artist’s impression of the surface of interstellar comet 2I/Borisov

Artist’s impression of the surface of interstellar comet 2I/Borisov (close up)

Artist’s representation of the ID2299 galaxy

Lensed view of SPT0418-47

Comet NEOWISE and noctilucent clouds spotted above ESO Headquarters

Comet NEOWISE Spotted above ESO Headquarters

VLT platform at sunset

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

Visitors enjoying the 2019 total solar eclipse

Inner and outer solar corona

The Sun during totality at La Silla Observatory

The Sun during totality at La Silla Observatory

Combined image from SOHO, Solar Dynamics Observatory and La Silla

Laser and star trails

No place like home

Studying the Universe

The fine details

Big questions call for big telescopes

Perched on Paranal

Night owls

Guide star in the Milky Way

Lighting up the sky

Reach for the stars

Starry reflections on the Swedish–ESO Submillimetre Telescope

Guiding light

Cherenkov Telescope Array rendering

ESO Open House Day 2018

Going through the eclipse

Artist’s impression of S2 passing supermassive black hole at centre of Milky Way

Desert in the middle of Garching

ALMA in fulldome

Spherically glowing

La Silla on fulldome

VLT in fulldome (with lasers)

Fly over ESO Headquarters

Munich at night

The Earth at night

Spectacular light show

Large scale structure of the Universe in the planetarium

Collision on the dome

Warp speed

Light up the Planetarium

Clear-weather simulation of the 2019 eclipse viewed from La Silla

The travelling speed camera

ALMA panorama

ALMA in the snow

ESO Astronomer Selected for Astronaut Training Programme

Fulldome Show at the ESO Supernova Planetarium

First ELT main mirror segments successfully cast

First ELT main mirror segments successfully cast

First ELT main mirror segments successfully cast

First ELT main mirror segments successfully cast

First ELT main mirror segments successfully cast

First ELT main mirror segments successfully cast

The rich surroundings of Sharpless 29

ALMA and the soft-hued sky

Pastel ALMA

ALMA and desert ice

VLT shows off its new adaptive optics system

Testing first light at the ESO Supernova planetarium

A first look at the ESO Supernova planetarium

Testing the new planetarium at the ESO Supernova

Viewing low Earth orbit in the ESO Supernova Planetarium

Trail full of telescopes

MASCARA planet hunting system at ESO’s La Silla Observatory

Opening NTT

Opening NTT

The Auditorium at ESO Headquarters

The unusual exoplanet HIP 65426b — SPHERE's first

Highlights from VST image of Cat’s Paw and Lobster Nebulae

Image of the solar surface alongside a close-up view of a sunspot from ALMA

Good Moon rising

Perfect observations

Bok Globule in the Carina Nebula

Mystic Mountain

Celebrating the night

Artist's impression of the hot molecular core discovered in the Large Magellanic Cloud

Moonshine over La Silla

Moonshine over La Silla

Moonshine over La Silla

VLT lasers create artificial stars over Paranal

Artist's impression of the planet orbiting Proxima Centauri

Across a salt lake near ALMA

Unclocking the stars

Mirror Maintenance Building at dawn

View above the Danish 1.54-metre telescope

The zodiacal light

ESO Supernova in progress at Garching

Light of the silvery Moon

Magellanic Clouds over Yepun

Pushing the limits with ALMA

Up close with the Milky Way

It’s smiles all round @ #MeetESO!

ALMA's antennas spread across the Chajnantor plateau

Paranal red sprites

Behind the ESO 3.6-metre telescope

A galactic arch

The Milky Way and Nova Centauri 2013

Venus, Mars and the Moon beyond the VLT

A mix of colours and wonder

The lensed galaxy

A timid but brilliant Moon

AT and Armazones

Paranal's shadow

The ultimate viewing platform

The peak of Cerro Armazones

Dusty mountain

Cerro Armazones from above

Aerial view of the VLT platform

Cerro Armazones casts a long shadow

The nova of 1670 recorded by Hevelius

Location of the distant dusty galaxy A1689-zD1 behind the galaxy cluster Abell 1689 (annotated)

Sprites at La Silla Observatory

360-degree panorama of the ESO Headquarters

Artist’s impression of the European Extremely Large Telescope

Heavy lifting

Moon eclipse

Star trails over the MPG/ESO 2.2-metre telescope

Mercedes at the ESO Headquarters

The Star Track

Make your home in the desert

OFS and the Milky Way

The desert and the ocean

Paranal Basecamp

Chajnantor plateau

ALMA Operations Center

ALMA Operations Center

ALMA Operations Support Facility (OSF)

ALMA sunset

Psychedelic skies

The APEX control room

Astronomers enjoying free time

E-ELT groundbreaking event

E-ELT groundbreaking event

E-ELT groundbreaking event

Wrapped up for the cool Cosmos

Shining light in ALMA

Firing the laser

Final shot of the Ultra HD Expedition team

ESO Photo Ambassadors at Chajnantor

ESO Photo Ambassadors watching the stars over the VLT

ESO Headquarters at Garching Forschungszentrum

Staff celebrating 25 years at ESO in 2013

Artist's impression of Luhman 16B recreated from VLT observations

Open Dome view of VISTA

Paranal from the mountainside

Jewels In the night sky

Outdoor time-lapse photography in progress

Artist's illustration of Supernova 1987A

ALMA Antennas on the Chajnantor plateau in northern Chile

ALMA view of molecular gas in the centre of NGC1433

The nearby active galaxy NGC 1433 from ALMA and Hubble

The distant active galaxy PKS 1830-211 from Hubble and ALMA

Wide-field view of NGC 2014 and NGC 2020 in the Large Magellanic Cloud

The Visible and Infrared Survey Telescope for Astronomy

Swirling stars

Artist’s impression of a galaxy accreting material from its surroundings

The TRAPPIST–South telescope at La Silla

Panorama outside APEX

ALMA antennas at the AEM hangar

ALMA antennas at the AEM hangar

VST at Paranal

Guesthouse gardens

Panorama of Paranal's gym

Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion

Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion

Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion

Panorama of the entrance to the Residencia

Panoramic view outside the OSF