21 March 2014, 10:54 AM ET
This space wallpaper shows an unusually bright gamma-ray burst, which produced a jet that emerged at nearly the speed of light. Gamma-ray bursts are the most powerful type of explosions in the universe and typically mark the destruction of a massive star.
20 March 2014, 01:32 PM ET
This wallpaper shows Death Valley National Park in California and Nevada. It is superlative desert of streaming sand dunes, snow-capped mountains, multicolored rock layers, water-fluted canyons and three million acres of stone wilderness.
19 March 2014, 11:16 AM ET
The sun sets behind BICEP2 (in the foreground) and the South Pole Telescope (in the background) in this stunning space wallpaper.
18 March 2014, 12:45 PM ET
As galaxies speed through gigantic cauldrons, they occasionally jumble the gas and forge it into lop-sided shapes. An example is revealed in this space wallpaper, which is a composite image of the galaxy group NGC 5044.
17 March 2014, 12:49 PM ET
The Dasht-e Lut salt desert in southeast Iran is captured in this stunning space wallpaper. The desert is often called the ‘hottest place on Earth’ as satellites measured record surface temperatures there for several years.
14 March 2014, 09:37 AM ET
This beautiful space wallpaper is a photo illustration based on a Hubble Space Telescope survey of evolving Milky Way-type galaxies. The current night sky is dominated by the white glow of myriad middle-aged stars along the lane of the Milky Way.
13 March 2014, 09:51 AM ET
This amazing space wallpaper reveals the throes of stellar birth, as never before, in the well-studied object known as HH 46/47. The image is the result of combined observations from the Spitzer Space Telescope and ALMA in Chile.
12 March 2014, 12:16 PM ET
This stunning wallpaper shows a decorated saguaro under a moonlit sky at Saguaro National Park in Arizona.
11 March 2014, 03:24 PM ET
This cool space wallpaper from the VLT Survey Telescope at ESO's Paranal Observatory shows the remarkable super star cluster Westerlund 1. This exceptionally bright cluster lies in the southern constellation of Ara (The Altar).
10 March 2014, 11:12 AM ET
Shining brightly in this space wallpaper by the Hubble Space Telescope is our closest stellar neighbor: Proxima Centauri. Proxima Centauri lies in the constellation of Centaurus (the Centaur), just over four light-years from Earth.
07 March 2014, 12:37 PM ET
The European Space Agency’s ATV-4 spacecraft, an unmanned supply ship, burns up over an uninhabited stretch of the Pacific Ocean on Nov. 2, 2013 in this spectacular space wallpaper captured by an astronaut on the International Space Station.
06 March 2014, 10:26 AM ET
This vivid space wallpaper is a color composite image made from a ground-based eclipse image obtained by the Williams College Eclipse Expedition in Gabon and a wide-field EUV mosaic of the solar corona obtained in space by SWAP onboard PROBA2.
05 March 2014, 10:24 AM ET
This stunning wallpaper shows Joshua Tree National Park in California. Viewed from the road, this desert park only hints at its vitality.
04 March 2014, 01:59 PM ET
This fascinating space wallpaper reveals the center of the Milky Way galaxy imaged by NASA's Spitzer Space Telescope. Our host galaxy is displayed on a quarter-of-a-billion-pixel, high-definition 23-foot-wide (7-meter) LCD science visualization screen.
03 March 2014, 12:05 PM ET
A witch appears to be screaming out into space in this stunning space wallpaper from NASA's Wide-Field Infrared Survey Explorer, or WISE. The infrared portrait shows the Witch Head nebula, named after its resemblance to the profile of a wicked witch.
28 February 2014, 11:07 AM ET
ATV Albert Einstein backs away from the International Space Station shortly after undocking at 09:55 CET (08:55 UT) on Oct. 28, 2013, as seen in this space wallpaper.
27 February 2014, 09:32 AM ET
This detailed space wallpaper shows the central parts of the nearby active galaxy NGC 1433. The dim blue background image, showing the central dust lanes of this galaxy, comes from the NASA/ESA Hubble Space Telescope.
26 February 2014, 09:49 AM ET
This spectacular wallpaper shows North Cascades National Park Service Complex in Washington. Jagged peaks, deep valleys, cascading waterfalls and more than 300 glaciers adorn this diverse and rugged land.
25 February 2014, 11:58 AM ET
The ghostly Boomerang Nebula, called the 'coldest place in the universe,' reveals its true shape in this amazing space wallpaper from the giant ALMA radio telescope.
24 February 2014, 01:46 PM ET
A magnetic filament of solar material erupted on the sun in late September, breaking the quiet conditions in a spectacular fashion as seen in this amazing space wallpaper — dubbed a “canyon of fire” by NASA officials.
21 February 2014, 09:53 AM ET
This stunning space wallpaper is a false-color mosaic, made from infrared data collected by NASA's Cassini spacecraft. It reveals the differences in the composition of surface materials around hydrocarbon lakes at Titan, Saturn's largest moon.
20 February 2014, 09:49 AM ET
This wallpaper shows the well-preserved cliff dwellings of Tonto National Monument in Arizona. Situated within rugged terrain in the northeastern part of the Sonoran Desert, the dwellings were occupied during the 13th, 14th, and early 15th centuries.
19 February 2014, 10:54 AM ET
The zoomed panel on this space wallpaper highlights the galaxy known as z8_GND_5296, which was recently confirmed to be the most distant galaxy known, hailing from only 700 million years after the Big Bang.
14 February 2014, 09:28 AM ET
Several hundred galaxies and the huge amounts of gas that permeate them are depicted in this space wallpaper, which shows the core of the Shapley Supercluster, the largest cosmic structure in the local Universe.
13 February 2014, 11:43 AM ET
This wallpaper shows Grand Teton National Park in Wyoming, which preserves a spectacular landscape rich with majestic mountains, pristine lakes and extraordinary wildlife.
12 February 2014, 11:41 AM ET
This vivid Kompsat-2 space wallpaper shows the Amazon River in the heart of northern Brazil’s rainforest. The false color makes land vegetation appear pink, while water appears green and dark blue.
11 February 2014, 09:35 AM ET
The moon rises above the Pacific in this spectacular space wallpaper taken March 4, 2005, just three minutes before the point of closest approach during Rosetta's Earth fly-by. This image was released Oct. 11, 2013.
10 February 2014, 11:52 AM ET
In this stunning space wallpaper, taken with the Cassini wide-angle camera on June 6, 2012, the spacecraft looks toward the night side of Titan and sees sunlight scattering through the periphery of Titan's atmosphere and forming a ring of color.
07 February 2014, 01:52 PM ET
This stunning space wallpaper shows the Toby Jug Nebula, which is located about 1200 light-years from Earth in the southern constellation of Carina (The Ship’s Keel). More formally known as IC 2220, it is an example of a reflection nebula.
06 February 2014, 11:37 AM ET
This stunning space wallpaper, not unlike a pointillist painting, shows the star-studded center of the Milky Way towards the constellation of Sagittarius.
05 February 2014, 10:05 AM ET
This stunning wallpaper shows Rocky Mountain National Park in Colorado. The Park’s 415 square miles encompass and protect spectacular mountain environments, including subalpine and alpine Trail Ridge Road, and more than 300 miles of hiking trails.
04 February 2014, 10:05 AM ET
The beautiful, petal-like shells of galaxy PGC 6240 are captured in intricate detail by the NASA/ESA Hubble Space Telescope, as seen in this stunning space wallpaper.