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.
03 July 2013, 03:43 PM ET
This fascinating space wallpaper reveals a nearby star that at first glance looks like it is older than the universe. This "Methuselah star," cataloged as HD 140283, could be as old as 14.5 billion years.
02 July 2013, 04:45 PM ET
What looks like a celestial hummingbird in this stunning space wallpaper is really the result of a collision between a spiral and an elliptical galaxy at a whopping 326 million light- years away.
01 July 2013, 05:00 PM ET
The recently launched Proba-V miniaturised satellite captured this space wallpaper over the border region of northern Syria, southeastern Turkey and northern Iraq on May 28, 2013.
28 June 2013, 11:15 AM ET
ESA astronaut snapped this view of moonset from the International Space Station as seen in this stunning space wallpaper. Parmitano is onboard the orbital outpost as part of ESA's long duration mission, Volare.
26 June 2013, 05:52 PM ET
In the star cluster NGC 6811, astronomers have found two planets smaller than Neptune orbiting Sun-like stars, as seen in this space wallpaper.
26 June 2013, 05:24 PM ET
This space wallpaper is an artist’s impression showing the view from the exoplanet Gliese 667Cd looking toward the planet’s parent star (Gliese 667C).
26 June 2013, 10:22 AM ET
A previously unsuspected tidal dwarf galaxy candidate (upper left) appears only in the ultraviolet, indicating the presence of many hot young stars as seen in this cool space wallpaper.
25 June 2013, 12:38 PM ET
The Spanish city of Barcelona is pictured in this space wallpaper by Japan’s ALOS satellite. Along the coast, we can see the Barcelona’s port—one of Europe’s top ten largest container ports. This image was released June 21, 2013.
24 June 2013, 02:25 PM ET
A supermoon climbed its way to the top of the Washington Monument, Sunday, June 23, 2013, in Washington as seen in the amazing space wallpaper. This year the supermoon is up to 13.5 percent larger and 30 percent brighter than a typical full moon is.
24 June 2013, 09:30 AM ET
Looking towards the constellation of Triangulum (The Triangle), in the northern sky, lies the galaxy pair MRK 1034 as seen in this space wallpaper.
21 June 2013, 10:43 AM ET
The NASA/ESA Hubble Space Telescope has captured this cool space wallpaper of nearby spiral galaxy Messier 61, also known as NGC 4303. In this image the galaxy is seen face-on as if posing for a photograph, allowing us to study its structure closely.
20 June 2013, 03:14 PM ET
In this electrifying space wallpaper, taken on Friday June 7, 2013, a furious thunderstorm is discharging its mighty rage over Cerro Paranal.
19 June 2013, 04:28 PM ET
This space wallpaper is a scaled-down version of a full-circle view, which combined nearly 900 images taken by NASA's Curiosity Mars rover.
18 June 2013, 10:23 AM ET
The contorted object captured by Hubble in this cool space wallpaper is IRAS 22491-1808, also known as the South America Galaxy. It is an ultraluminous infrared galaxy (ULIRG) that emits a huge amount of light at infrared wavelengths.