19 August 2013, 09:28 AM ET
This beautiful space wallpaper portrays the galaxies NGC 799 (below) and NGC 800 (above) located in the constellation of Cetus (The Whale).
16 August 2013, 10:12 AM ET
How many rings do you see in this cool space wallpaper of the galaxy Messier 94, also known as NGC 4736? While at first glance one might see a number of them, astronomers believe there is just one.
15 August 2013, 03:28 PM ET
This space wallpaper of the sun was taken on Aug. 14, 2013 from the premises of European Space Operations Centre in Darmstadt, Germany.
14 August 2013, 10:01 AM ET
This beautiful space wallpaper shows the view to the east from Paranal Observatory, seconds after the sun has disappeared behind the horizon.
13 August 2013, 12:02 PM ET
Astronomers using NASA's Hubble Space Telescope have solved a 40-year mystery on the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around our Milky Way galaxy, as seen in this space wallpaper.
12 August 2013, 12:15 PM ET
ESA astronaut Luca Parmitano took this photo of the Mediterranean and the Pleiades as seen from the International Space Station in this cool space wallpaper. "The Mediterranean, the Pleiades and a storm in the distance," he Tweeted on July 29, 2013.
09 August 2013, 11:39 AM ET
This stunning space wallpaper shows the ancient cratered southern highlands of Mars. Faint traces of a wet past are seen in the form of channels (lower center), fluidized debris around craters (bottom right) and blocks of eroded sediments (top left).
08 August 2013, 10:42 AM ET
This space wallpaper reveals a detailed view of a star-forming region in the Large Magellanic Cloud — one of the Milky Way's satellite galaxies.
07 August 2013, 10:09 AM ET
This cool space wallpaper reveals a very young star being born in the guts of the dark cloud LDN 43 — a massive blob of gas, dust, and ices, gathered 520 light-years from Earth in the constellation of Ophiuchus (The Serpent Bearer).
06 August 2013, 01:33 PM ET
Glowing a dark magenta, the newly discovered exoplanet GJ 504b, as seen in this space wallpaper, weighs in with about four times Jupiter's mass, making it the lowest-mass planet ever directly imaged around a star like the sun.
05 August 2013, 11:45 AM ET
This beautiful space wallpaper shows spiral galaxy Messier 100, located in the southern part of the constellation of Coma Berenices, and lying about 55 million light-years from Earth.
02 August 2013, 10:23 AM ET
This stunning space wallpaper shows the view of the sun from the SWAP (Sun Watcher using Active Pixel System detector and Image Processing) instrument onboard ESA's Proba-2 satellite.
01 August 2013, 02:19 PM ET
This space wallpaper shows the region where carbon monoxide snow has formed around the star. The carbon monoxide is shown here in green, and begins at a distance of more than 30 astronomical units from TW Hydrae.
31 July 2013, 02:47 PM ET
This fascinating space wallpaper records more than a thousand movements made by ESA’s XMM-Newton space telescope as it shifts its gaze from one X-ray object to another.
30 July 2013, 11:44 AM ET
This space wallpaper shows a view of a three-dimensional visualization of gas in the nearby starburst galaxy NGC 253 (The Sculptor Galaxy) as observed by the ALMA radio telescope in Chile.
29 July 2013, 09:53 AM ET
This fascinating space wallpaper shows a simulation of a gas cloud passing close to the supermassive black hole at the center of the galaxy in mid-2013.
26 July 2013, 11:20 AM ET
The sun-approaching Comet ISON floats against a seemingly infinite backdrop of numerous galaxies and a handful of foreground stars in this amazing space wallpaper taken in April 2013 by NASA's Hubble Space Telescope.
25 July 2013, 12:01 PM ET
A snow line has been imaged in a far-off infant planetary system for the very first time as seen in this cool space wallpaper.
24 July 2013, 10:45 AM ET
This rare space wallpaper taken on July 19 by NASA's Cassini spacecraft shows Saturn's rings and our planet Earth and its moon in the same frame.
23 July 2013, 01:49 PM ET
An extreme of winter on Earth is Antarctica, where the handful of research bases are places of solitude and waiting. The Franco–Italian Concordia outpost, seen here in this cool space wallpaper, is one of these.
22 July 2013, 09:57 AM ET
This striking cosmic whirl is the center of galaxy NGC 524, as seen in this fascinating space wallpaper. This galaxy is located in the constellation of Pisces, some 90 million light-years from Earth. NGC 524 is a lenticular galaxy.
19 July 2013, 02:21 PM ET
This space wallpaper showcases the ancient globular cluster 47 Tucanae, a dense swarm of up to a million stars. The image at left shows the entire cluster, which measures about 120 light-years across.
18 July 2013, 10:14 AM ET
New observations from ESO’s Very Large Telescope show for the first time a gas cloud being ripped apart by the supermassive black hole at the center of the galaxy, as seen in this space wallpaper.
17 July 2013, 02:43 PM ET
In this space wallpaper—among a crowd of face- and edge-on spiral, elliptical, and irregular galaxies in the constellation of Virgo—lies NGC 4866, which is a lenticular galaxy situated about 80 million light-years from Earth.
15 July 2013, 04:13 PM ET
Observations of the dark cloud SDC 335.579-0.292 using the Atacama Large Millimeter/submillimeter array (ALMA) have given astronomers the best view yet of a monster star in the process of forming, as seen in this stunning space wallpaper.
12 July 2013, 09:14 AM ET
This space wallpaper is an illustration showing a "hot Jupiter" planet known as HD 189733b orbiting its star, HD 189733. The NASA/ESA Hubble Space Telescope measured the actual visible light color of the planet, which is deep blue.
11 July 2013, 09:42 AM ET
This cool space wallpaper is an illustration showing HD 189733b, a huge gas giant that orbits very close to its host star HD 189733.
10 July 2013, 09:49 AM ET
The foothills of the Andes Mountains near the southern coast of Peru were captured by the Kompsat-2 satellite, as seen in this cool space wallpaper.
09 July 2013, 11:44 AM ET
This NASA/ESA Hubble Space Telescope space wallpaper shows the planetary nebula IC 289, located in the northern constellation of Cassiopeia.
08 July 2013, 09:16 AM ET
This fascinating space wallpaper is an artist’s impression showing light from the heart of a background galaxy, which allowed scientists to explore how galaxies refuel.
05 July 2013, 01:40 PM ET
This vivid space wallpaper is a color-coded topographical map of the southeastern flank of the Olympus Mons volcano on Mars.
04 July 2013, 09:57 AM ET
Like a July 4 fireworks display, a young, glittering collection of stars looks like an aerial burst, as seen in this space wallpaper. The cluster is surrounded by clouds of interstellar gas and dust—the raw material for new star formation.