18 April 2013, 02:10 AM 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.
16 April 2013, 10:35 PM ET
This amazing space wallpaper reveals 30 Doradus, which is the brightest star-forming region in our galactic neighborhood and home to the most massive stars ever seen.
16 April 2013, 12:55 PM ET
This wallpaper shows Carlsbad Caverns National Park in New Mexico. The park contains 113 of caves, which formed when sulfuric acid dissolved the surrounding limestone, creating some of the largest caves in North America.
15 April 2013, 12:47 PM ET
This amazing space wallpaper from ESO’s Very Large Telescope at the Paranal Observatory in Chile shows NGC 1637, a spiral galaxy located about 35 million light-years away in the constellation of Eridanus (The River).
12 April 2013, 02:10 PM ET
This stunning wallpaper shows Voyageurs National Park in Minnesota. Voyageurs is a water-based park where you must leave your car and take to the water to fully experience its lakes, islands and shorelines.
11 April 2013, 10:19 AM ET
This stunning space wallpaper reveals ALMA antennae bathed in red light. Appearing in the background are the southern Milky Way on the left and the Magellanic Clouds at the top. This image was released March 5, 2013.
10 April 2013, 10:23 AM ET
This wallpaper shows Yellowstone National Park, which was established in 1872 making it America's first national park. Located in Wyoming, Montana, and Idaho, it is home to a large variety of wildlife including grizzly bears, wolves, bison, and elk.
09 April 2013, 11:26 AM ET
The NASA/ESA Hubble Space Telescope has captured a new image of Herbig-Haro 110, a geyser of hot gas flowing from a newborn star as seen in this beautiful space wallpaper.
08 April 2013, 12:46 PM ET
The NASA/ESA Hubble Space Telescope has produced an incredibly detailed image of a pair of overlapping galaxies called NGC 3314 as seen in this spectacular space wallpaper.
05 April 2013, 02:04 PM ET
The freshwaters of the Big Cypress Swamp as seen in this wallpaper are essential to the health of the neighboring Everglades and support the rich marine estuaries along Florida’s southwest coast.
04 April 2013, 09:53 AM ET
This space wallpaper shows an aerial view of the Chajnantor Plateau, located at an altitude of 5000 meters in the Chilean Andes, where the array of ALMA antennas is located.
03 April 2013, 10:00 AM ET
This sizzling space wallpaper is an artist’s impression showing exoplanet HD 189733b as it passes in front of its parent star, called HD 189733A.
02 April 2013, 11:06 AM ET
This wallpaper shows Badlands National Park in South Dakota, which contains the world’s richest Oligocene epoch fossil beds.
01 April 2013, 10:16 AM ET
This stunning space wallpaper is an artist’s impression showing an eclipsing binary star system. As the two stars orbit each other they pass in front of one another and their combined brightness, seen from a distance, decreases.
29 March 2013, 10:57 AM ET
This cool space wallpaper is part of a mosaic of images from the Mast Camera (Mastcam) on NASA's Mars rover Curiosity, which shows Mount Sharp in a white-balanced color adjustment.
28 March 2013, 08:58 AM ET
This spectacular wallpaper shows Canaveral National Seashore, which is situated on a barrier island along Florida's east coast. The park has a pristine, undeveloped beach, dunes and a lagoon offering sanctuary to an abundant blend of plants and animals.
27 March 2013, 09:34 AM ET
This space wallpaper is a schematic representing how light from a distant galaxy is distorted by the gravitational effects of a nearer foreground galaxy known as Einstein rings.
26 March 2013, 01:08 PM ET
Follow ancient passageways to a distant time in this fascinating wallpaper showing Aztec Ruins National Monument in New Mexico. Explore West Ruin, a center of ancestral Pueblo society that once housed over 500 masonry rooms.
25 March 2013, 09:39 AM ET
Two very different galaxies are featured in this space wallpaper taken by the NASA/ESA Hubble Space Telescope—forming a peculiar galaxy pair called Arp 116.
22 March 2013, 09:36 AM ET
Located in northern Egypt, this cool space wallpaper shows the delta is where the Nile River splits and empties into the Mediterranean Sea.
21 March 2013, 04:55 PM ET
Sometimes considered "three parks in one," Big Bend includes mountain, desert, and river environments. An hour’s drive can take you from the banks of the Rio Grande to a mountain basin nearly a mile high as seen in this stunning wallpaper.
20 March 2013, 09:38 AM ET
On Tuesday March 12, the comet known officially as comet C/2011 L4 (Pan-STARRS), stood almost directly above the western horizon, less than 5 degrees to the left of a very narrow crescent moon as seen in this space wallpaper.
19 March 2013, 07:52 AM ET
This wallpaper shows the landscape of Agate National Monument, Nebraska—a land reflecting many players, including early animals roaming the valleys and hills, to tribal nations calling the High Plains home.
18 March 2013, 10:15 AM ET
This spectacular space wallpaper shows Hubble’s view of massive galaxy cluster MACS J0717.5+3745. The large field of view is a combination of 18 separate Hubble images.
15 March 2013, 11:58 AM ET
This spectacular space wallpaper is a map of a section of the Universe showing the positions of thousands of galaxies that were measured as part of the VIPERS survey with ESO’s Very Large Telescope.
14 March 2013, 03:59 PM ET
Along windswept beaches and cliffs, visitors experience where water meets land and sky, culture meets culture, and past meets present. The 21 islands and 12 miles of mainland host a unique blend of cultural and natural resources.
13 March 2013, 07:38 AM ET
The NASA/ESA Hubble Space Telescope took this striking space wallpaper of the planetary nebula NGC 5189. The intricate structure of the stellar eruption looks like a giant and brightly coloured ribbon in space. This image was released Dec. 18, 2012.
12 March 2013, 11:23 AM ET
Yosemite National Park is best known for its waterfalls, but within its nearly 1,200 square miles, you can find deep valleys, grand meadows, ancient giant sequoias, a vast wilderness area, and much more.
11 March 2013, 11:39 AM ET
This space wallpaper combines Hubble observations of M 106 with additional information captured by amateur astronomers Robert Gendler and Jay GaBany. Gendler combined Hubble data with his own observations to produce this stunning color image.
11 March 2013, 01:13 AM ET
Abell 68, pictured in this stunning space wallpaper here in infrared light, is a galaxy cluster.
11 March 2013, 01:03 AM ET
In this space wallpaper, a Landsat image from July 19, 2011 shows Lake Powell, a reservoir on the Colorado River in the southwestern United States.
08 March 2013, 03:00 PM ET
This remarkable space wallpaper was created from pictures taken by different telescopes in space and on the ground. It shows the thousand-year-old remnant of the brilliant SN 1006 supernova, as seen in radio (red), X-ray (blue) and visible light (yellow).