16 October 2013, 11:08 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.
15 October 2013, 01:04 PM 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.
14 October 2013, 09:52 AM ET
This NASA/ESA Hubble Space Telescope space wallpaper shows the planetary nebula IC 289, located in the northern constellation of Cassiopeia.
09 October 2013, 09:58 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.
08 October 2013, 10:50 AM ET
This vivid space wallpaper is a color-coded topographical map of the southeastern flank of the Olympus Mons volcano on Mars.
07 October 2013, 09:04 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.
04 October 2013, 08:57 AM 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.
03 October 2013, 08:57 AM 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.
02 October 2013, 12:51 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.
01 October 2013, 11:19 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.
30 September 2013, 08:54 AM 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.
27 September 2013, 09:18 AM 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 September 2013, 09:37 AM ET
This stunning wallpaper shows Redwood National Park in California.
25 September 2013, 09:37 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.
24 September 2013, 10:43 AM ET
This wallpaper shows Craters of the Moon National Monument and Preserve in Idaho. Craters of the Moon is a vast ocean of lava flows with scattered islands of cinder cones and sagebrush.
23 September 2013, 09:37 AM 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.
20 September 2013, 09:03 AM 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.
18 September 2013, 11:55 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.
17 September 2013, 11:55 AM ET
This wallpaper shows Bryce Canyon National Park in Utah. Famous for its unique geology of red rock spires and horseshoe-shaped amphitheaters, Bryce offers the visitor a "Far View" from the eastern edge of the Paunsaugunt Plateau in southern Utah.
16 September 2013, 09:13 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.
12 September 2013, 10:25 AM ET
This wallpaper shows Bandelier National Monument in New Mexico. Bandelier protects more than 33,000 acres of rugged but beautiful canyon and mesa country as well as evidence of a human presence here going back more than 11,000 years.
11 September 2013, 11:49 AM ET
In this electrifying space wallpaper, taken on Friday June 7, 2013, a furious thunderstorm is discharging its mighty rage over Cerro Paranal.
10 September 2013, 10:45 AM ET
This wallpaper shows Assateague Island in Maryland and Virginia. The "wild" horses on Assateague are actually feral animals, meaning that they are descendants of domestic animals that have reverted to a wild state.
09 September 2013, 09:09 AM 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.
06 September 2013, 12:41 PM 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.
05 September 2013, 09:48 AM ET
Ligeia Mare, shown here in this stunning false-color space wallpaper from the international Cassini mission, is the second largest known body of liquid on Saturn's moon Titan. It is filled with liquid hydrocarbons, such as ethane and methane.
04 September 2013, 09:15 AM ET
This beautiful wallpaper shows Black Canyon of the Gunnison National Park in Colorado. The canyon of Gunnison's unique and spectacular landscape was formed slowly by the action of water and rock scouring down through hard Proterozoic crystalline rock.
03 September 2013, 10:36 AM ET
This space wallpaper is a compilation of three images from Envisat’s radar and shows where southwestern Africa’s Okavango River empties into the inland Okavango Delta in northern Botswana.
30 August 2013, 09:21 AM ET
This spectacular group of young stars as seen in this space wallpaper is the open star cluster NGC 3766 in the constellation of Centaurus (The Centaur).
29 August 2013, 09:53 AM ET
This wallpaper shows Alibates Flint Quarries National Monument in Texas. The monument protects a mesa covered in a lithic scatter carpet of flint, so thick you cannot walk without stepping on human generated flakes of Alibates flint.
28 August 2013, 08:59 AM ET
The face-on spiral galaxy M101, or the Pinwheel Galaxy, is seen at ultraviolet and optical wavelengths in this amazing space wallpaper taken by ESA’s XMM-Newton space telescope. This image was released June 10, 2013.
27 August 2013, 10:49 AM ET
This beautiful wallpaper shows Muir Woods National Monument in California. The virgin stand of coastal redwoods was named for John Muir, writer and conservationists.