25 January 2013, 12:56 AM ET
In this space wallpaper, three impact craters of different sizes, arranged in the shape of a snowman, make up one of the most striking features on Vesta, as seen in this view from NASA's Dawn mission.
24 January 2013, 02:23 AM ET
This cool space wallpaper, centred on the B[e] star HD 87643, beautifully shows the extended nebula of gas and dust that reflects the light from the star.
24 January 2013, 01:07 AM ET
This space wallpaper from ESO’s La Silla Observatory shows part of a stellar nursery nicknamed the Seagull Nebula.
22 January 2013, 12:30 AM ET
The delicate nebula NGC 1788, located in a dark and often neglected corner of the Orion constellation, is revealed in this space wallpaper.
20 January 2013, 07:44 PM ET
This cool space wallpaper is a compilation of three radar images from the Japanese ALOS satellite and shows the Po River, which flows over 650 km from west to east across northern Italy as the country’s longest river.
20 January 2013, 07:24 PM ET
In this space wallpaper, the Channel Tunnel is a 50.5 km-long rail tunnel beneath the English Channel at the Straits of Dover.
18 January 2013, 11:34 AM ET
Nearly 200 000 light-years from Earth, the Large Magellanic Cloud, a satellite galaxy of the Milky Way, floats in space, in a long and slow dance around our galaxy in this stunning space wallpaper.
17 January 2013, 11:18 PM ET
This space wallpaper is a colour composite made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximately 4.7 x 4.9 degrees.
17 January 2013, 02:53 AM ET
In this space wallpaper, astronomers have discovered a possible magnetar that emitted 40 visible-light flashes before disappearing again.
15 January 2013, 11:54 PM ET
This bright cluster of stars is 47 Tucanae (NGC 104), shown here in this amazing space wallpaper taken by ESO’s VISTA (Visible and Infrared Survey Telescope for Astronomy) from the Paranal Observatory in Chile.
15 January 2013, 12:06 AM ET
In this space wallpaper, the bright core of the Tarantula Nebula with the cluster of hot stars. Note also the wisps of luminous gas extending as "legs" from the central area - this is how the nebula got its creepy name.
14 January 2013, 11:19 PM ET
This enormous section of the Milky Way galaxy is a mosaic of images from NASA's Wide-field Infrared Survey Explorer, or WISE in this stunning space wallpaper.
14 January 2013, 03:10 PM ET
This space wallpaper of Centaurus A combines ALMA and near-infrared observations of the massive elliptical radio galaxy.
11 January 2013, 01:01 PM ET
Ihis space wallpaper shows an artist's illustration of asteroid Apophis near Earth. The asteroid will fly extremely close to Earth in 2029, and then again in 2036, but poses no threat of hitting the planet.
10 January 2013, 05:06 PM ET
This composite space wallpaper shows the jet from a black hole at the center of a galaxy striking the edge of another galaxy.
09 January 2013, 10:24 AM ET
This artist's concept space wallpaper illustrates an asteroid belt around the bright star Vega.
08 January 2013, 05:02 PM ET
In this space wallpaper, a visible-light view of the sky highlights the bright M17 nebula, as well as the glowing hot gas filling the "bubble" to its left.
07 January 2013, 05:49 PM ET
This cool space wallpaper shows six hundred newly forming stars are crowded into intricate filaments of gas and dust that makes up this stellar nursery, seen for the first time by ESA’s Herschel space observatory.
06 January 2013, 08:54 PM ET
This amazing space wallpaper of the bright star-forming region NGC 346, in which different wavelengths of light swirl together like watercolours, reveals new information about how stars form.
05 January 2013, 05:32 PM ET
NGC 520 — also known as Arp 157 — looks like a galaxy in the midst of exploding in this amazing space wallpaper.
04 January 2013, 12:45 PM ET
Data from NASA's Kepler mission finds evidence for at least 100 billion planets in our galaxy. This cool space wallpaper was released January 3, 2013.
03 January 2013, 04:03 PM ET
This space wallpaper shows an unusual sky field in the Milky Way band. It is centered on one of the classical, dark globules, known as Barnard 68 (B68).
02 January 2013, 11:32 PM ET
This cool space wallpaper shows a glowing emerald nebula as seen by NASA's Spitzer Space Telescope which is reminiscent of the glowing ring wielded by the superhero Green Lantern.
02 January 2013, 11:25 PM ET
This space wallpaper reveals a composition showing two contrasting astronomical objects – an icy comet and its dust tail and a dense cluster of stars separated by huge astronomical distances.
01 January 2013, 01:18 PM ET
This unique space wallpaper shows AB7, one of the highest excitation nebulae in the Magellanic Clouds (MCs), two satellite galaxies of our own Milky Way.
31 December 2012, 01:32 PM ET
This cool space wallpaper shows Andromeda galaxy, M31, with satellite galaxies M32 (centre left) and M110 (lower right).
29 December 2012, 06:27 PM ET
In this space wallpaper, the perfectly picturesque spiral galaxy known as Messier 81, or M81, looks sharp in this new composite from NASA's Spitzer and Hubble space telescopes and NASA's Galaxy Evolution Explorer.
28 December 2012, 10:23 PM ET
Filaments of ionized gas in the proximity of the R136 cluster, which lies beyond the lower left edge of the photo are revealed in this beautiful space wallpaper.
27 December 2012, 11:25 PM ET
Before another clear, starry night falls at ESO's Paranal Observatory, home of the Very Large Telescope (VLT), the sky produces a palette of intense colours, putting on a beautiful show for observers as seen in this beautiful space wallpaper.
27 December 2012, 11:10 PM ET
This cool space wallpaper from the APEX telescope, of part of the Taurus Molecular Cloud, shows a sinuous filament of cosmic dust more than ten light-years long.
27 December 2012, 11:06 PM ET
The giant star Zeta Ophiuchi is having a "shocking" effect on the surrounding dust clouds in this infrared image from NASA's Spitzer Space Telescope as seen in this cool space wallpaper.
27 December 2012, 03:40 PM ET
This amazing space wallpaper of North and South America at night is a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012.