Wallpapers

Hubble view of green filament in galaxy NGC 5252

Hubble view of green filament in galaxy 2MASX J22014163+1151237

A cosmological measuring tape

Galaxy cluster MACS J0717.5+3745 with dark matter map

Galaxy cluster MACS J0152.5-2852 with dark matter map

Galaxy cluster ZwCl 1358+62 with dark matter map

Galaxy cluster MACS J0416.1–2403 with dark matter map

Galaxy cluster Abell 370 with dark matter map

Galaxy cluster Abell 2744 with dark matter map

A galaxy on the edge

Three moons and their shadows parade across Jupiter — end of event

Dancing on the edge

The Hubble GOODS North field (GOODS-N)

Centaurus A halo

A slice of stars

A fossil in the making

Grand swirls

The scale of the Universe

Galaxy cluster MACS J1720+35

Circumstellar disks HD 141943 and HD 191089

Hubble’s cross-section of the cosmos

Galaxies spiralling around Leo

Distant galaxy in Hubble Frontier Field Abell 2744

Seeing double

New shot of Proxima Centauri, our nearest neighbour

The most distant gravitational lens yet discovered

A special spiral galaxy for over 200 000 Facebook fans

Hubble image of PGC 6240

A monster in the Milky Way

A smouldering star

A flock of stars

A spiral galaxy crowned by a star

A stranger in the crowd

Stars that go out with a whimper

Stalking our celebrity neighbours

Inseparable galactic twins

Hubble image of Arp 142

Messier 61 looks straight into the camera

A very bright contortionist

NGC 1579: The Trifid of the North

The messy result of a galactic collision

A swirl of star formation

A spacetime magnifying glass

A unique cluster: one of the hidden 15

Dusty detail in elliptical galaxy NGC 2768

Hubble/Chandra/Spitzer composite image of NGC 602, in the “wing” of the Small Magellanic Cloud

Masquerading as a double star

Galactic glow worm

Oldest star in solar neighbourhood

One ring to rule them all