21 March 2013, 05:58 PM ET
This space wallpaper shows an aerial view of the Chajnantor Plateau, located at an altitude of 5000 meters in the Chilean Andes, where the array of ALMA antennas is located.
20 March 2013, 11:25 AM ET
This sizzling space wallpaper is an artist’s impression showing exoplanet HD 189733b as it passes in front of its parent star, called HD 189733A.
19 March 2013, 08:28 AM ET
This stunning space wallpaper is an artist’s impression showing an eclipsing binary star system. As the two stars orbit each other they pass in front of one another and their combined brightness, seen from a distance, decreases.
18 March 2013, 03:05 PM ET
This cool space wallpaper is a mosaic of images from the Mast Camera (Mastcam) on NASA's Mars rover Curiosity, which shows Mount Sharp in a white-balanced color adjustment.
18 March 2013, 10:23 AM ET
This space wallpaper is a schematic representing how light from a distant galaxy is distorted by the gravitational effects of a nearer foreground galaxy known as Einstein rings.
15 March 2013, 12:17 PM ET
Two very different galaxies are featured in this space wallpaper taken by the NASA/ESA Hubble Space Telescope—forming a peculiar galaxy pair called Arp 116.
14 March 2013, 06:01 PM ET
Located in northern Egypt, this cool space wallpaper shows the delta is where the Nile River splits and empties into the Mediterranean Sea.
13 March 2013, 05:57 PM ET
On Tuesday March 12, the comet known officially as comet C/2011 L4 (Pan-STARRS), stood almost directly above the western horizon, less than 5 degrees to the left of a very narrow crescent moon as seen in this space wallpaper.
13 March 2013, 09:47 AM ET
This spectacular space wallpaper shows Hubble’s view of massive galaxy cluster MACS J0717.5+3745. The large field of view is a combination of 18 separate Hubble images.
12 March 2013, 11:45 AM ET
This spectacular space wallpaper is a map of a section of the Universe showing the positions of thousands of galaxies that were measured as part of the VIPERS survey with ESO’s Very Large Telescope.
11 March 2013, 01:32 AM ET
The NASA/ESA Hubble Space Telescope took this striking space wallpaper of the planetary nebula NGC 5189. The intricate structure of the stellar eruption looks like a giant and brightly coloured ribbon in space. This image was released Dec. 18, 2012.
08 March 2013, 03:47 PM ET
This space wallpaper combines Hubble observations of M 106 with additional information captured by amateur astronomers Robert Gendler and Jay GaBany. Gendler combined Hubble data with his own observations to produce this stunning color image.
07 March 2013, 11:37 AM ET
Abell 68, pictured in this stunning space wallpaper here in infrared light, is a galaxy cluster.
05 March 2013, 02:39 PM ET
This remarkable space wallpaper was created from pictures taken by different telescopes in space and on the ground. It shows the thousand-year-old remnant of the brilliant SN 1006 supernova, as seen in radio (red), X-ray (blue) and visible light (yellow).
04 March 2013, 10:58 AM ET
This amazing space wallpaper shows an artist’s impression of the formation of a gas giant planet in the ring of dust around the young star HD 100546.
28 February 2013, 10:46 PM ET
This space wallpaper shows a deep-field image of what is known as a supercluster of galaxies — a giant group of galaxy clusters which are themselves clustered together.
27 February 2013, 03:29 PM ET
This space wallpaper shows an artist’s impression of the surface of the distant dwarf planet Makemake.
27 February 2013, 12:39 AM ET
This cool space wallpaper shows an artist’s impression of the free-floating planet CFBDSIR J214947.2-040308.9. This is the closest such object to the Solar System.
26 February 2013, 12:04 AM ET
In this space wallpaper, a Landsat image from July 19, 2011 shows Lake Powell, a reservoir on the Colorado River in the southwestern United States.
25 February 2013, 05:26 PM ET
This cool space wallpaper shows an ESO Very Large Telescope image of the planetary nebula Fleming 1 in the constellation of Centaurus (The Centaur).
25 February 2013, 12:03 AM ET
This space wallpaper from ESO’s VISTA telescope reveals a celestial landscape of vast, glowing clouds of gas and tendrils of dust surrounding hot young stars. This infrared view reveals the stellar nursery known as NGC 6357 in a new light.
24 February 2013, 11:28 PM ET
This artist’s impression shows the material ejected from the region around the supermassive black hole in the quasar SDSS J1106+1939 in this cool space wallpaper.
20 February 2013, 07:23 PM ET
This cool space wallpaper from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile, shows the bright star cluster NGC 6520 and its neighbor, the strangely shaped dark cloud Barnard 86.
20 February 2013, 05:24 PM ET
This space wallpaper shows an artist’s impression of the disc of gas and cosmic dust around the young star HD 142527.
20 February 2013, 11:56 AM ET
This cool space wallpaper shows an artist's impression of an active galaxy that has jets.
16 February 2013, 12:07 AM ET
This evocative space wallpaper shows a dark cloud where new stars are forming along with a cluster of brilliant stars that have already emerged from their dusty stellar nursery.
14 February 2013, 11:51 PM ET
This cool space wallpaper shows the Eskimo Nebula, or NGC 2392, located about 4000 light-years from Earth in the constellation of Gemini.
14 February 2013, 02:06 AM ET
This space wallpaper reveals a fisheye view of the Southern Sky with constellations.
12 February 2013, 07:35 PM ET
This cool space wallpaper shows The Uvs Nuur Basin in Mongolia and the Russian Federation is the northernmost of the enclosed basins of Central Asia.
11 February 2013, 01:13 PM ET
In this space wallpaper, the first Ariane 5 heavy-lift mission of the year has delivered the Azerspace/Africasat-1a and Amazonas-3 telecom satellites into orbit.
08 February 2013, 12:13 PM ET
The Cassiopeia A supernova's first flash of radiation makes six clumps of dust unusually hot as seen in this cool space wallpaper.
07 February 2013, 02:48 PM ET
This space wallpaper is an infrared image from the NASA/ESA Hubble Space Telescope shows an image of protostellar object LRLL 54361 and its rich cosmic neighbourhood, a region called IC 348.