24 November 2012, 09:48 PM ET
Planck has discovered a bridge of hot gas that connects galaxy clusters Abell 399 (lower centre) and Abell 401 (top left) as seen in this space wallpaper.
24 November 2012, 09:15 PM ET
This cool space wallpaper shows 15-metre Swedish-ESO Submillimeter Telescope (SEST) at ESO's La Silla observing site in the southern part of the Atacama desert of Chile.
24 November 2012, 07:31 PM ET
The many "personalities" of our great galactic neighbor, the Andromeda galaxy, are exposed in this stunning space wallpaper, which is a composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.
21 November 2012, 09:37 PM ET
Located in the direction of the constellation Dorado in the Large Magellanic Cloud, the resplendent object known as NGC 2060 is the aftermath of a supernova as seen in this space wallpaper.
21 November 2012, 12:42 PM ET
This striking space wallpaper, taken with the powerful HAWK-I infrared camera on ESO’s Very Large Telescope at Paranal Observatory in Chile, shows NGC 1365.
21 November 2012, 01:37 AM ET
This stunning space wallpaper of the nearby galaxy NGC 6744 was taken with the Wide Field Imager on the MPG/ESO 2.2-metre telescope at La Silla.
19 November 2012, 09:42 PM ET
The Tibesti Mountains, located mostly in Chad with the northern slopes extending into Libya, are captured in this amazing space wallpaper, acquired on March 4, 2012 by Envisat’s MERIS instrument.
19 November 2012, 04:55 PM ET
This space wallpaper shows the Soyuz TMA-05M spacecraft shortly after it landed with Expedition 33 crew.
15 November 2012, 12:58 PM ET
The clouds cleared in time for observers at Palm Cove, Australia, to experience totality as the Moon totally obscured the Sun for around two minutes, revealing the Sun's bright corona in this cool space wallpaper.
14 November 2012, 05:13 PM ET
ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA) has captured this unusual view of the Helix Nebula (NGC 7293) in this space wallpaper. The Helix Nebula is a planetary nebula located 700 light-years away.
13 November 2012, 05:47 PM ET
This beautiful space wallpaper shows the central parts of the starburst galaxy NGC 1313. The very active state of this galaxy is very evident from the image, showing many star formation regions.
12 November 2012, 01:32 PM ET
This space wallpaper reveals an almost-true colour composite based on images made with the multi-mode VIMOS instrument on the 8.2-m Melipal (Unit Telescope 3) of ESO's Very Large Telescope.
11 November 2012, 01:03 PM ET
This amazing space wallpaper reveals IC 5148, which is a beautiful planetary nebula located some 3000 light-years away in the constellation of Grus (The Crane).
10 November 2012, 06:58 PM ET
Covering part of the Eastern Mediterranean in this cool space wallpaper is this Envisat image, which is dominated by the island of Cyprus. The capital and largest city, Nicosia, is located near the centre of the image.
10 November 2012, 06:10 PM ET
This stunning space wallpaper is an artist's impression of a transiting Jupiter-mass exoplanet around a star slightly more massive than the Sun, such as the one discovered around SWEEPS-04.
10 November 2012, 05:02 PM ET
This space wallpaper shows a portion of the Veil Nebula, left behind with the violent explosion of a massive star, shows delicate wisps of gas and dust.
09 November 2012, 01:53 PM ET
This quasar is the most distant yet found and is seen as it was just 770 million years after the Big Bang in this space wallpaper.
08 November 2012, 03:56 PM ET
This stunning space wallpaper shows the beautiful edge-on spiral galaxy NGC 3190 with tightly wound arms and a warped shape that makes it resemble a gigantic potato crisp, as seen by ESO's Very Large Telescope.
06 November 2012, 10:54 PM ET
Saturn's moon Mimas appears near Saturn, dwarfed by its parent planet in this space wallpaper.
05 November 2012, 01:17 PM ET
In this space wallpaper, Andre van der Hoeven (Netherlands) combined different datasets in the archives of the Hubble Space Telescope to create this stunning image of spiral galaxy Messier 77.
05 November 2012, 11:45 AM ET
In this space wallpaper, Cape Town and the Cape of Good Hope, South Africa, appear in the foreground of this perspective view generated from a Landsat satellite image and elevation data from the Shuttle Radar Topography Mission (SRTM).
05 November 2012, 05:14 AM ET
This amazing space wallpaper reveals Comet McNaught setting behind Mount Paranal, in January 2007.
02 November 2012, 03:29 PM ET
This space wallpaper shows a pair of gravitationally interacting galaxies called Arp 147, the blue ring-shaped galaxy's distinctive look was probably created when the galaxy on the left passed through the galaxy on the right.
31 October 2012, 04:13 PM ET
This cool space wallpaper from the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter shows "Victoria crater," an impact crater at Meridiani Planum, near the equator of Mars.
30 October 2012, 01:03 PM ET
This artist's concept space wallpaper depicts an itsy bitsy planetary system -- so compact, in fact, that it's more like Jupiter and its moons than a star and its planets.
29 October 2012, 12:59 PM ET
In this space wallpaper, a giant bubble blown by the massive Wolf-Rayet star HD 50896, the pink star in the centre of the image.
28 October 2012, 05:27 AM ET
This amazing space wallpaper of Jupiter was taken in infrared light on the night of Aug. 17, 2008 with the Multi-Conjugate Adaptive Optics Demonstrator (MAD) prototype instrument mounted on ESO's Very Large Telescope.
26 October 2012, 12:46 PM ET
Valles Marineris, seen at an angle of 45 degrees to the surface in near-true colour and with four times vertical exaggeration in this space wallpaper.
25 October 2012, 03:14 PM ET
This spectacular space wallpaper shows Yepun, the fourth 8.2-metre Unit Telescope of ESO’s Very Large Telescope (VLT) facility, launching a powerful yellow laser beam into the sky.
25 October 2012, 11:26 AM ET
Extreme Ultraviolet Imaging Telescope (EIT) space wallpaper of a huge, handle-shaped prominence taken on Sept. 14,1999.
24 October 2012, 10:48 AM ET
In this space wallpaper, members of the media photograph the Soyuz rocket as it launches with Expedition 33/34 crew members on Oct. 23, 2012.
23 October 2012, 12:27 PM ET
In this spectacular space wallpaper, observations using infrared light and X-ray light see through the obscuring dust and reveal the intense activity near the galactic core.