A shadow at sunrise
The unusual double star SS Leporis
Artists’s impression of one of more than 50 new exoplanets found by HARPS: the rocky super-Earth HD 85512 b
Superbubble LHA 120-N 44 in the Large Magellanic Cloud
ESO's new compact laser guide star unit tested
Huge storm on Saturn observed by ESO's Very Large Telescope
The disturbed galactic duo NGC 3169 and NGC 3166
From one "alien world" to another
Crash of the titans
Starry night at the Atacama Desert coast
TRAPPIST first light image of the spiral galaxy Messier 83
Three ALMA antennas close together on Chajnantor
SEST at La Silla at sunset
Assembly of a European ALMA antenna
The hidden engine of NGC 4945
Transporting an Auxiliary Telescope
The Laser Guide system
NTT and ESO 3.6-metre telescopes
APEX antenna
Atacama Pathfinder Experiment
Laser beam creating an “artificial” star
Laser beam creating an “artificial” star
APEX antenna
Reflection nebula around HD 87643
Material surrounding the black hole Sagittarius A*
Disc around young star
Planet-forming disc (artist's impression)
Green flash at Paranal
The comet and the laser
An artificial star above Paranal
Spiral galaxy Messier 83
The Horsehead Nebula
Detail of a view towards the Great Attractor
Protostar HH-34 in Orion
The 949th ELT mirror segment is cast and ready to take shape
A wild encounter in the desert
The nebula (NGC 6164/6165) surrounding HD 148937 as seen in visible light
Dark and towering
Dark spot on Neptune observed with MUSE at ESO’s Very Large Telescope
A record-breaking burst
Closest pair of supermassive black holes as seen by MUSE
Meteor shower in the Chilean Desert (annotated)
Dimethyl ether spotted in disc around IRS 48 star
Another World
NEAR experiment sees first light
Pinpointing Gaia to Map the Milky Way
A Cosmic Cheshire Cat
A rosette for the VLT
A lonely little telescope
SPHERE image of the newborn planet PDS 70b
Nova over Supernova
An isolated neutron star in the Small Magellanic Cloud
Advancing astronomy one laser at a time
360° view of La Silla Observatory
Supermoon at La Silla
ESO Supernova external view
Artist’s impression of the interstellar asteroid `Oumuamua
Artist’s impression of the exoplanet WASP-19b
The AOF + MUSE at work
NGC 6369 before and after the AOF
Dusky light on the ALMA antennas
Dusky light on the ALMA antennas
ELT secondary mirror blank successfully cast
Detailed look on Eta Carinae
ALMA probes the Hubble Ultra Deep Field
Schematic diagram of the history of the Universe
Dusky light on the ALMA antennas
The WLM galaxy on the edge of the Local Group
Artist’s impression of a transitional disc around a young star
VLT telescopes at Paranal
Panorama of a beautiful habitat in the desert
A good night to work
Merging galaxies in the distant Universe through a gravitational magnifying glass
Artist’s impression of dust formation around a supernova explosion
Otto at night
Chajnantor plateau
The contrasting galaxies NGC 1316 and 1317
Artist's impression of Beta Pictoris
MUSE views the strange galaxy NGC 4650A
Fantastic Mr Fox
The star-forming Cat’s Paw Nebula through ArTeMiS’s eyes
New cool starlet in our backyard
ALMA antennas at the operations support facility (OSF)
La Silla
Wings for science fly over Paranal
ALMA observes the birth of a monster star
Artist's impression of the surroundings of the supermassive black hole in NGC 3783
Artist’s impression of the comet factory seen by ALMA
Conjunction seen from Paranal
ALMA images of gravitationally-lensed distant star-forming galaxies
Artist’s impression of eclipsing binary
PARLA laser at the VLT
PARLA laser at the VLT
The bright star Alpha Centauri and its surroundings
ALMA and a starry night — a joy to behold
ALMA antenna
Artist’s impression of the exoplanet Tau Boötis b
Cascading Milky Way
Sun, Moon and telescopes above the desert
ELT four laser star guide
La Silla Observatory view from an airplane
Aerial close up view of the ESO 3.6-metre telescope with the 1.4-m Coudé Auxiliary Telescope
Teenage galaxies in the distant Universe
MPG/ESO 2.2-metre telescope with open dome
A towering VLT Unit Telescope
Paranal under snow
Artist’s impression of a gamma-ray burst shining through two young galaxies in the early Universe
Stars dancing above the VLT
Giant space blob glows from within
The COSMOS field
Pandora’s cluster (VLT view)
Planetary conjunction over Paranal
The brown dwarf binary CFBDSIR 1458+10
Supermoon over ESO's Very Large Telescope
ALMA antennas stand together
A galactic petri dish
The long and winding road*
A disc around a massive baby star (artist's impression)
The Blinking Galaxy
An infrared/visible comparison view of Messier 83
The sky around Messier 83
Inside the VLT
ALMA antennas at OSF
ESO 3.6-metre telescope at La Silla
Chance discovery reveals star factories in the distant Universe
Night falling over Paranal
Comet McNaught, the Moon, Venus and the VLT
ALMA antennas and OSF at sunset
A VLT Unit Telescope and the Moon
VLT and VISTA in early sunlight*
Trailing stars above Paranal
The planet-hosting star CoRoT-7
The Trifid Nebula (full frame)
VLT image of supernova in beautiful spiral galaxy NGC 1288
The spiral galaxy NGC 5584 and SN 2007af
The overlooked dwarf and its apparent companion
The comet and the telescopes
Comet McNaught and ATs
Icy exoplanet (artist's impression)
Pluto-Charon system
Magnificent spiral galaxy NGC 7424
In Tarantula territory (a)
A view of VLT in Paranal
Dome of the Swiss 1.2-metre Leonhard Euler Telescope at La Silla
Treasures of the desert
Glowing rosy in the dark
ALMA view of the 9io9 galaxy
A giant under the moonlight
How many telescopes can you spot?
An infrared view of the IRAS 11051-7706 object in Chamaeleon
An infrared view of the HH 909 A object in Chamaeleon
Evolution of the cloud of debris around Dimorphos and Didymos after the DART impact
The Sh2-54 nebula in visible light with the VST
Comparison of the sizes of two black holes: M87* and Sagittarius A*
Interactive panorama of the Extremely Large Telescope construction site
Panorama of the Extremely Large Telescope construction site
Artist’s impression of the active galactic nucleus of Messier 77
Three’s a crowd (non-annotated)
A black hole caught blowing a gust
Close-up and wide views of the nearest pair of supermassive black holes
A celestial arch illuminates the desert
Detection of nickel in the atmosphere of interstellar comet 2I/Borisov
ELT Prefocal Station model
Shooting lasers, guiding the eye
Touching Jupiter
SPHERE’s view of Betelgeuse in January 2019
Phosphorus-bearing molecules found in a star-forming region and comet 67P
ATTRACT initiative for innovative sensing and imaging technologies
Supernova in the Sun
Rainbow skies
The ExTrA telescopes at La Silla
Sunset over La Silla Observatory
Stunning skies surrounding La Silla Observatory
The Hubble Ultra Deep Field seen with MUSE
Cosmic fireworks over Paranal
When stars explode
The polarisation of light emitted by a neutron star
Disc around the star HD 97048
Protoplanetary discs observed with SPHERE
An all-seeing eye
Bright halos around distant quasars
Spirals with a tale to tell
Two faces of Jupiter
X marks the spot
GRAVITY discovers new double star in Orion Trapezium cluster
The Vitacura Guesthouse gardens
First results from the KiDS survey (montage)
Montage of the SDP.81 Einstein Ring and the lensed galaxy
Colour composite view of the Pillars of Creation from MUSE data
360-degree panorama of the ESO Headquarters
Surprise within a cloud
Zodiacal light over La Silla
Artist’s impression of exocomets around Beta Pictoris
Otto the transporter
Ongoing observations
Star formation in the southern Milky Way
The final ALMA antenna arrives at Chajnantor
The final ALMA antenna arrives at Chajnantor
Lights in the sky
Night view of La Silla
Atacama Milky Way panorama
A stream of stars over Paranal
Crimson skies
The field around yellow hypergiant star HR 5171
Swimming pool interferometry
Yepun and the Laser Guide Star
Milky Way above ALMA
The final ALMA antenna
Water in the Atacama desert
Milky Way
Moon rises over Paranal
Paranal and the streaking stars
The Atacama desert
Three-dimensional view of ALMA observations of the outflows from NGC 253
Thunderbolts and lightning
Admiring the galaxy
Inside the MMB at Paranal
Panorama at the Mirror Maintenance Building
The lost galaxy
Spiral galaxy NGC 1637
Artist's impression of a gas giant planet forming in the disc around the young star HD 100546
PARLA laser at the VLT
Comet Lovejoy
Startrails over the Atacama