19 July 2012, 11:01 AM ET
In this space wallpaper, Aurora Australis glows high over Concordia research base on July 18, 2011.
18 July 2012, 10:55 AM ET
In this space wallpaper, the peculiar galaxy Centaurus A (NGC 5128) is pictured in this image taken with by the Wide Field Imager attached to the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile.
17 July 2012, 09:15 AM ET
Radiation from hot stars off the top of the picture illuminates and erodes this giant, gaseous pillar. Additional ultraviolet radiation causes the gas to glow, giving the pillar its red halo of light in this stunning space wallpaper.
16 July 2012, 10:24 AM ET
In this space wallpaper, the Soyuz TMA-05M rocket launches from the Baikonur Cosmodrome in Kazakhstan on July 15, 2012.
16 July 2012, 09:55 AM ET
In this cool space wallpaper, the first released VST image shows the spectacular star-forming region Messier 17, also known as the Omega Nebula or the Swan Nebula.
12 July 2012, 07:43 PM ET
In this amazing space wallpaper, a "double cluster," NGC 1850, is located in the Large Magellanic Cloud.
12 July 2012, 01:33 PM ET
While ALMA is currently under construction, astronomers are already doing millimetre and submillimetre astronomy at Chajnantor, with the Atacama Pathfinder Experiment (APEX) In this space wallpaper.
11 July 2012, 04:24 PM ET
This artist's concept shows the planet catalogued as 2003UB313 at the lonely outer fringes of our solar system in this space wallpaper.
11 July 2012, 03:36 PM ET
In this space wallpaper, the area surrounding the stellar cluster NGC 2467, located in the southern constellation of Puppis ("The Stern").
09 July 2012, 11:13 AM ET
In this space wallpaper, the contrasting landscape of the western US states of California (left) and Nevada (right) are highlighted in this Envisat image, acquired on 9 February 2011.
06 July 2012, 02:54 PM ET
In this space wallpaper, this colour-composite image of the Helix Nebula (NGC 7293) was created from images obtained using the the Wide Field Imager.
06 July 2012, 10:42 AM ET
This cool space wallpaper, a particularly strong jet stream churns through Saturn's northern hemisphere in this false-color view from NASA's Cassini spacecraft.
05 July 2012, 04:15 PM ET
This full-circle scene combines 817 images taken by the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity in this cool space wallpaper.
05 July 2012, 11:44 AM ET
This Hubble Space Telescope composite image shows a ghostly "ring" of dark matter in the galaxy cluster Cl 0024+17 in this stunning space wallpaper.
04 July 2012, 03:36 PM ET
In this space wallpaper, using ESO's Very Large Telescope, an international team of astronomers has discovered a stunning rare case of a triple merger of galaxies.
03 July 2012, 10:41 AM ET
This space wallpaper of the International Space Station and the docked space shuttle Endeavour, flying at an altitude of approximately 350 km, was taken by Expedition 27 crew member Paolo Nespoli from the Soyuz TMA-20.
03 July 2012, 10:31 AM ET
Resembling a Fourth of July skyrocket, Herbig-Haro 110 is a geyser of hot gas from a newborn star that splashes up against and ricochets off the dense core of a cloud of molecular hydrogen in this cool space wallpaper.
02 July 2012, 04:09 PM ET
A UH-60 (NASA 750) RASCAL helicopter with IR camera mount on NASA Ames Research Center’s flightline under "Blue" Moon on Aug. 31, 1993 in this amazing space wallpaper.
02 July 2012, 11:55 AM ET
This very detailed space wallpaper from ESO’s Very Large Telescope shows the dramatic effects of very young stars on the dust and gas from which they were born in the star-forming region NGC 6729.
29 June 2012, 11:16 AM ET
This space wallpaper reveals a marvellous aerial photograph of the home of ESO’s Very Large Telescope (VLT), fully demonstrates the superb quality of the observing site.
28 June 2012, 10:02 AM ET
In this space wallpaper, one square degree image of the Tarantula Nebula and its surroundings.
27 June 2012, 01:36 PM ET
In this space wallpaper, ESO’s Paranal Observatory sits in one of the driest and most desolate areas on Earth, in Chile’s Atacama Desert.
22 June 2012, 12:32 PM ET
Astronaut Andre Kuipers took this image of solar panels glinting in space in this amazing space wallpaper.
20 June 2012, 11:36 AM ET
A United Launch Alliance Atlas V launch vehicle stands ready to launch the NROL-38 mission for the National Reconnaissance Office in this space wallpaper.
20 June 2012, 11:13 AM ET
In this space wallpaper, a United Launch Alliance Atlas V launch vehicle stands ready to launch the NROL-38 mission for the National Reconnaissance Office.
14 June 2012, 10:56 AM ET
Cassini spacecraft looks toward Titan and its dark region called Shangri-La in this stunning space wallpaper.
13 June 2012, 01:52 PM ET
This cool space wallpaper shows an artist conception of a newly formed star surrounded by a swirling protoplanetary disk of dust and gas, where debris coalesces to create rocky 'planetesimals' that collide and grow to eventually form planets.
11 June 2012, 12:55 PM ET
In this space wallpaper, a computer-generated view depicts part of Mars at the boundary between darkness and daylight, with an area including Gale Crater beginning to catch morning light.
06 June 2012, 05:06 PM ET
In this stunning space wallpaper, Hinode captured this stunning view of the transit of Venus on June 5, 2012,-- the last instance of this rare phenomenon until 2117.
06 June 2012, 11:03 AM ET
On June 5-6 2012, SDO collected images of one of the rarest predictable solar events: the transit of Venus across the face of the sun in this cool space wallpaper.
30 May 2012, 04:40 PM ET
ESO Photo Ambassador Babak Tafreshi snapped this remarkable image of the antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), set against the splendour of the Milky Way in this space wallpaper.
29 May 2012, 05:08 PM ET
This space wallpaper reveals, with clouds and land forming a backdrop, the SpaceX Dragon commercial cargo craft is grappled by the Canadarm2 robotic arm at the International Space Station.