The Fried Egg Nebula
First 7-metre ALMA antenna arrives at Chajnantor
First 7-metre ALMA antenna arrives at Chajnantor
First 7-metre ALMA antenna arrives at Chajnantor
First 7-metre ALMA antenna arrives at Chajnantor
A spiral galaxy in Leo
Smoke signals in space
VST’s view of the Leo Triplet and beyond
The brilliant star VFTS 682 in the Large Magellanic Cloud
On top of the world
The desert around VISTA
VLT Unit Telescope at Paranal
SEST at La Silla from a distance
Dying star puffs a cosmic dragon
Recoating Yepun's mirror
UT1 and ATs
ALMA on the Chajnantor plains
Sunrise on Chajnantor
Chajnantor
The Southern Pinwheel
Gone with the wind
The greater dog from Paranal
ALMA antennas at sunset
Comet West, 1976
VLT Laser Guide Star
Spiral galaxy NGC 1232
Black hole zapping a galaxy into existence
Nebula in serpens
The VLT and VISTA *
Filaments in the Tarantula Nebula
A dusty beauty
N44 in the Large Magellanic Cloud (central region)
Detail of star-forming region RCW 108 in Ara
A bubblegum-pink nebula
Teamwork makes an astronomer’s dream work
Road to the ELT
A flower with four petals
Combined SPHERE and ALMA image of material orbiting V960 Mon
Drone shot of the ELT under construction at Cerro Armazones
Giant cosmic networks
VLT: then vs now
VLT & Hubble views of the 244-440 young stellar object
A stellar sprinkler (alternative colour view)
Pinwheel firework
A blast from the past
Peering through the dust
NGC 7727’s spectacular galactic dance as seen by the VLT
The hunt for exoplanets
Twin telescopes share a sunset in Paranal
Ghostly galaxies above the VLT
Something new in the sky
Three’s a crowd
A cosmic caramel swirl
42 asteroids imaged by ESO’s VLT (annotated)
North Meets South
Processed SPHERE image showing the moons of Kleopatra
Purple Haze
In a cosmic wonderland
Flying on planet-forming wings
A Messy Nursery of Stars
Flowers of stellar wind could be due to stellar companions
A Kaleidoscope of Colour
New ESO’s VLT image of the NGC 2899 planetary nebula
Crux Watches Over ALMA
The Hunter and La Silla
Starshine in Canis Major
A Cosmic Bat in Flight
SPECULOOS gazing into the night
The Void of the ESO Supernova (panorama)
SPHERE images a zoo of dusty discs around young stars
Artist’s impression of the TRAPPIST-1 planetary system
Desert vistas
Data from ESPRESSO First Light
ALMA view of the motions of material in the shell around U Antliae
Artist’s impression of the red supergiant star Antares
Twilight rays at La Silla
La Silla and surroundings
Three bands of light
All quiet in the nursery?
The dusty ring around the aging double star IRAS 08544-4431
Planetary analogue
Romantic sunset over the VLT
ALMA antennas
Upside down
The final ALMA antenna arrives at Chajnantor
The star formation region Gum 41
ALMA antenna at night
ALMA time-lapse
Milky Way illuminating the VLT platform
ALMA and Chajnantor at Twilight
Bipolar planetary nebula Hubble 12
PESSTO snaps Supernova in Messier 74
Stunning ALMA and NTT image of newborn star
ALMA antennae
Desert from above
A compact array
Streaking stars
Images of gas cloud being ripped apart by the black hole at the centre of the Milky Way
VLT image of exoplanet HD 95086 b
Wings for science fly over ALMA
Laser Guide Star trails
APEX's icy companions
Close-up view of NGC 6357
Cerro Armazones at dawn
Twinkle twinkle little star
The E-ELT on Cerro Armazones (artist's impression)
The glow of the Lagoon Nebula
GJ1214b (artist’s impression)
The Fornax Cluster of galaxies
ALMA test site in New Mexico, USA
ALMA antenna
VLT Unit Telescopes
Laser beam creating an “artificial” star
Comet West, March 1976
ALMA antennas
VLT Unit Telescopes under a starry sky
Antennas for ALMA at the Antenna Test Facility (ATF)
Supernova remnant NGC 2060
Star cluster RCW 38
One Auxiliary Telescope under the sky
The spectacular spiral galaxy ESO 269-G57
Spiral galaxy NGC 4565
Messier 83 – central region
Location of binary star D9 in the Milky Way
The REBELS-25 galaxy
Zooming in on a surprising ring
The next step in gravitational wave studies
Hiding in the crowd
Home is where the telescopes are
Night view of the ELT under construction atop Cerro Armazones
Counting sheep on the Chajnantor plateau
A fiery sky over Paranal
The new skyline of Cerro Armazones
Artist’s impression of a black hole swallowing a star
The orbit of the hot spot around Sagittarius A*
Mars near and far
A hypnotic golden spiral
Caught in a spiral
Planet SPECULOOS
Rising from the ashes
Milky Way Across the Desert
Representation of stratospheric winds near Jupiter’s south pole
The Toby Jug Nebula as seen by the VLT and the VLTI
A Phenomenal View of a Phenomenal Spiral
The Milky Way above the ELT site
Once in a blue comet
Total solar eclipse, La Silla Observatory, 2019
Total solar eclipse, La Silla Observatory, 2019 (Panoramic image)
Strings by Starlight
Of trails and telescopes
La Silla’s Great Dane
ALMA’s dishes huddle together in the desolate landscape of Chile’s Atacama Desert
ALMA panorama
ESO telescopes spy a rare relic
Sculptor dwarf galaxy
Carina Nebula under moonlight
SPHERE maps the surface of Ceres
Aerial sunset over Paranal
Artist’s impression of a supermassive black hole at the centre of a galaxy
Wings for science fly over APEX
The star cluster Messier 47
Two domes in the Atacama Desert
ALMA fish-eye
Atacama night sky revealed
Gazing at the Chilean night sky
Artist’s impression of the rings around Chariklo
ESO marks 50 years of fruitful collaboration with Chile
The Laser Guide Star on the VLT
ALMA from the air
The life cycle of a Sun-like star (annotated)
ALMA from the air
ALMA from the air
ALMA from the air
Rapid Action Telescope for Transient Objects
La Silla ridge
ESO's VLT images the planetary nebula IC 1295
Young stars in the open star cluster NGC 2547
SEST at La Silla
Off the shoulder of Orion
La Silla under the Milky Way
VLT/VIMOS observations of the shock front in the remnant of the supernova SN 1006
Swirling star trails over Yepun
The stars streak overhead
The Atacama Pathfinder Experiment (APEX)
The radio galaxy Centaurus A, as seen by ALMA
Comet Lovejoy over Santiago
VISTA stares deep into the cosmos
ALMA antenna transported to Chajnantor
The Chilean night sky from ALMA
Wide-field view of NGC 253 from the VLT Survey Telescope
The E-ELT at sunset (artist’s impression)
Wide-field view of the COSMOS field
The flames of Betelgeuse
Wide-field view of the Meathook galaxy
Rare Moon green flash captured
Bridging the abyss
Collecting precious starlight*
Reflecting on the VLT
Aerial view of the VLT
Three ALMA antennas close together on Chajnantor
Cerro Paranal and Cerro Armazones in Chile
ALMA site (artist's impression)
Artist’s impression of Corot-9b
Darth Vader’s galaxy, NGC 936
LMC snapped by the ESO 1-metre Schmidt telescope
Rendering of the ELT
Transporting an Auxiliary Telescope
VLT Platform
The Paranal Observatory
The Moon over one VLT Auxiliary Telescope
The Milky Way Shines on Paranal
NTT windscreen
Artist’s impression of CoRoT-7b
A close look at Betelgeuse
SEST on La Silla
Twisted spiral galaxy NGC 134
ESO's New Technology Telescope
SN 1987A and the Honeycomb Nebula
The centre of the active galaxy NGC 1097
Spiral galaxy NGC 6118
Chandra Deep Field South
How to become a star
Dome of Swiss 1.2-m Leonhard Euler Telescope
A Paranal sunset
Highlights of the most detailed infrared map of the Milky Way
Computer simulation illustrating how a black hole looks like at different wavelengths
A spectacle of cosmic dust from Paranal
This is all that’s left of a giant star