
The Atacama Desert in bloom

Shadow of Cerro Paranal

Star trails at Paranal Observatory

ALMA antennas

Snow at the Chajnantor plateau

ALMA antennas

ALMA antennas

ESO 3.6-metre telescope

View of La Silla

Exoplanet hunter

First European ALMA antenna handed over to Joint ALMA Observatory

European antennas under construction

Sunrise at the VLT platform

Opening a VLT dome at sunset

Looking to the future

Galaxies during the era of reionisation in the early Universe (simulation)

VLT atop Cerro Paranal

Sunset at Chajnantor

APEX on Chajnantor

A quintuplet of ALMA antennas — and then there were five

Snow visits the ALMA site*

Assembly of second European ALMA antenna

Artist’s impression of an exoplanet in a retrograde orbit (without additional graphics)

Stellar titans of Pismis 24

The CAT at La Silla

An ALMA antenna on Chajnantor

An ALMA antenna on Chajnantor

ALMA antenna at OSF backlit by the Sun

APEX image calendar, April 2010 — and everything you need to work...d we have the control room, our offices, a terrace, well

ELT site testing — Cerro Armazones / Chile

Around the Cat's Paw Nebula

Spectrum of the planet around HR 8799

Comet McNaught

Comet McNaught

The Southern Cross

NTT control room

Interferometry task force December 2005

The Auxiliary Telescopes on the Paranal platform

NTT control room

Laser Guide Star Facility (LGSF)

The field around HD 87643

The star T Leporis to scale

NGC 3576

The region around MWC 147

Peering at Uranus's rings as they swing edge-on to Earth for the first time since their discovery in 1977

The DPS Deep 3 Field (detail)

Model image of Cepheid L Carinae

Supernova 2005dh and spiral galaxy NGC 1559

Artist's impression of the triple asteroid system, 87 Sylvia

Evolution of comet Tempel 1

Part of the LMC H II region N214

NGC 2108 stellar cluster in the LMC

Big stellar cluster in the blue dwarf galaxy NGC 5253

The Milky Way above La Silla

Six nightly views of Titan's surface

Colour-composite of the sky field with several High-Redshift galaxies

BN/KL complex in the Orion Nebula

Peering into a star factory

The birth of a Supernova remnant

Centre of merging galaxy system ESO202-G23

Artist's impression: the violent history of stellar pair HD 148937

Unloading the first shipment of the ELT main mirror segments

A joyous day at the ELT’s Technical Facility

ELT mirror segments as far as the eye can see

Lone ALMA antenna under the Milky Way

Artist’s impression of a Wolf–Rayet star

Artist’s impression of star plagued by giant magnetic spot

Spots on the Sun vs spots on extreme horizontal branch stars (artist's impression)

360 view of the VLT at Paranal Observatory

Dynamic inner corona

Paranal Observatory hosts Microsoft President

Anatomy of a Black Hole

A lunar eclipse: beginning and end

Full Moon over HQ

Clear-weather simulation of the 2019 eclipse viewed from La Silla (annotated, English)

Dusk at Supernova

Orbital exile

Let's meet under the stars

Press conference for inauguration of the ESO Supernova

The sea behind a shadowy VLT

ESO Astronomer Selected for Astronaut Training Programme

A sun-kissed VLT

The globular cluster NGC 3201

Construction continues on the ESO Supernova

Artist’s impression of the planet Ross 128 b

VLT in the ESO Supernova planetarium

Wallpaper in The Void

Inside the VST

Working inside Kueyen

The planetary nebula NGC 6563 observed with the AOF

APEX outside distant panorama

Sagittarius A*

Up high

VST view

Region R37 in the Carina Nebula

Solitary laser guide star divides the Magellanic Clouds

ALMA 360 degree panorama

Bedroom view from Paranal Residencia

Aerial view of ESO Headquarters

Aerial view of ESO Headquarters

Aerial view of ESO Headquarters

Aerial view of ESO Headquarters

VLT family portrait

Cerro Paranal platform

VISTA observing the sky

The most powerful telescope in the world

The future begins here

Band 10 receiver cartridge

Aerial view of ESO's Headquarters

The Cherenkov Telescope Array

A gallery of bipolar planetary nebulae

The hexacopter over ALMA

APEX outside distant panorama

Laser on UT4

Instruments of wonder

The Laser Guide Star of Paranal in operation

Path of the shadow of Makemake as it crossed the Earth on 23 April 2011

PRIMA, a VLTI instrument

VLT at twilight

The dawn of the Atacama Compact Array (ACA)

End of the night at Paranal Observatory

Aerial view of La Silla, seen from the North

ALMA antenna moving home

ALMA antenna on a transporter

ALMA antennas

ALMA antennas

The Very Large Telescope

Spanish Minister for Science and Innovation visits Paranal and ALMA

First European ALMA antenna on its way to Chajnantor

The Science Train visits the Antofagasta region

The Great Barred Spiral Galaxy

Starry night at Paranal*

Around IRAS 13481-6124

Four Japanese antennas for ALMA

Dramatic moonset

APEX image calendar, January 2010 — last sun rays of the day hitting the antenna

Comet McNaught

MPG/ESO 2.2-metre telescope

Grand opening of IYA2009 in Berlin

ESO flags

HAWK-I at VLT

HAWK-I

Auxiliary Telescope 2

Aerial view of Paranal Observatory

The REM Telescope

The cluster collinder 261

The four ATs at Paranal

The field around Baade's window

Spiral galaxy Messier 100

Zoom-in on the Einstein ring on a region in Fornax

The Orion Nebula (M42)

The AT1 and the domes of the 8.2-m Unit Telescopes

The Paranal Residencia

Auxiliary Telescope station

Detail of the Sombrero galaxy

ESO 1.52-m telescope

The Swiss 1.2-metre Leonhard Euler Telescope at La Silla

The young stellar object 177-341 W as seen with Hubble and VLT

A view from the inside of the ELT dome

Artist’s impression of a micronova

A view of the M87 supermassive black hole in polarised light

Swedish-ESO Submillimetre Telescope

Creating artificial stars at the VLT

Artist’s impression of the web of the supermassive black hole

The inner ring of GW Orionis: model and SPHERE observations

Horizon at SPECULOOS

Panorama of ExTra

Pacman and the Moon

The ESO Supernova exhibition

Have a super night

Starry eyed

Nebula nights

Cluster in fulldome

From concept to reality

Sunset at the VLT

Checking-in on ALMA

360° panorama of the VLT platform at sunset

A touch of airglow

A touch of airglow

High on the Chajnantor plateau

Artist’s impression of view from planet in the TRAPPIST-1 planetary system

Orbital plot of Proxima Centauri

Disc around the star HD 135344B

Region R18 in the Carina Nebula

Star cluster Trumpler 14

Region R45 in the Carina Nebula

ALMA panorama

View above La Silla

A peek inside la Residencia

A touch of airglow

Artist’s impression of cold intergalactic rain

A panorama view of the VLT

View above La Silla

The unique rocky comet C/2014 S3 (PANSTARRS)

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

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

View above La Silla

360° panorama of the VLT platform

Halo over Paranal

Milky Way above a decorative arrangement

A fish-eye view of the VLT

Ashen Armazones at sunset

The Milky Way and ALMA

The VLT platform at dusk

Artist’s impression of two white dwarf stars destined to merge and create a Type Ia supernova

Babak Tafreshi at ESO Paranal
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VISTA observing the sky
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The volcano in the desert

Gamma-ray burst buried in dust (artist’s impression)
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In view of our Cosmos

Combining forces to reveal the faintest objects in our Universe

Ultra HD expedition day 8: on Chajnantor plateau just before sunset

Capturing the ultra high definition Universe (annotated)

Artist's impression of the central bulge of the Milky Way
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Flamingo in the desert