12 July 2013, 01:56 PM ET
This wallpaper shows Assateague Island located in Maryland and Virginia — a place recreated each day by ocean wind and waves. Life on Assateague Island has adapted to an existence on the move.
11 July 2013, 10:09 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, 09:16 AM ET
This vivid space wallpaper shows a collection of 100,000 stars displayed in this small region inside the Omega Centauri globular cluster—a dense group of nearly 10 million stars. Omega Centauri is one of the biggest star clusters in the Milky Way.
09 July 2013, 12:34 PM ET
This wallpaper shows Gila Cliff Dwellings National Monument in New Mexico. The monument offers a glimpse into the homes and lives of the Mogollon people who lived in this area more than 700 years ago.
08 July 2013, 09:02 AM ET
This fascinating space wallpaper shows galaxy cluster Abell S1077, as seen by the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 and the Advanced Camera for Surveys.
05 July 2013, 04:52 PM ET
This wallpaper shows Pecos National Historical Park in New Mexico.
04 July 2013, 10:20 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, 09:16 AM ET
This space wallpaper is an illustration of the thin, rocky debris disc discovered around the two Hyades white dwarfs.
02 July 2013, 12:14 PM ET
This wallpaper shows Fire Island National Seashore in New York. Rhythmic waves, high dunes, ancient maritime forests, historic landmarks and glimpses of wildlife—Fire Island has been a special place for diverse plants, animals and people for centuries.
01 July 2013, 11:49 AM ET
On May 10, 2013, the sun experienced what's called an annular eclipse. NASA's Terra satellite didn't observe the eclipse directly, but it did see the moon's shadow darkening the region northeast of Australia as seen in this stunning space wallpaper.
28 June 2013, 09:27 AM ET
Istanbul and the surrounding area in northwestern Turkey are captured in this space wallpaper acquired by Envisat’s MERIS instrument on June 9, 2011. To the north is the Black Sea, which connects to the Sea of Marmara (center) via the Bosphorus strait.
27 June 2013, 10:12 AM ET
This beautiful wallpaper shows Saguaro National Park in Arizona. Enormous cacti, silhouetted by the setting sun, for most of us the giant saguaro is the universal symbol of the American West.
26 June 2013, 09:23 AM ET
This intriguing space wallpaper shows the galaxy catalogued as 2MASX J05210136-2521450, which stands out at a glance due to its interesting shape.
25 June 2013, 12:04 PM ET
This beautiful wallpaper shows North Cascades National Park Service Complex in Washington. Jagged peaks, deep valleys, cascading waterfalls and over 300 glaciers adorn the North Cascades National Park Service Complex.
24 June 2013, 09:09 AM ET
This cool space wallpaper is an illustration showing a messy, chaotic galaxy undergoing bursts of star formation.
21 June 2013, 10:11 AM ET
This wallpaper shows Petrified Forest National Park in Arizona.
20 June 2013, 03:53 PM ET
This space wallpaper reveals a stunning view from ESA’s Herschel space observatory of the iconic Horsehead Nebula in the context of its surroundings.
19 June 2013, 09:25 AM ET
The Danish 1.54-metre telescope located at ESO’s La Silla Observatory in Chile has captured a striking space wallpaper of NGC 6559, an object that showcases the anarchy that reigns when stars form inside an interstellar cloud.
18 June 2013, 02:18 PM ET
This stunning wallpaper shows Grand Canyon National Park in Arizona.
A powerful and inspiring landscape, the Grand Canyon overwhelms our senses through its immense size: 277 river miles (446km) long, up to 18 miles (29km) wide, and a mile (1.6km) deep.
17 June 2013, 10:22 AM ET
This fascinating space wallpaper reveals a notional concept of a solar-electric-powered spacecraft, designed to capture a small near-Earth asteroid and relocate it safely close to the Earth-moon system so astronauts can explore it.
14 June 2013, 10:33 AM ET
This amazing space wallpaper shows a close-up view of Saturn’s north-pole hurricane, as seen by the international Cassini spacecraft. The image reveals the intricate detail of cloud formations in this dynamic feature.
13 June 2013, 10:19 AM ET
“Gold!” Headlines read in 1897, starting the rush to what is now Klondike Gold Rush National Historical Park in Alaska as seen in this cool wallpaper.
12 June 2013, 10:16 AM ET
These delicate wisps of gas make up an object known as SNR B0519-69.0, or SNR 0519 for short as seen in this stunning space wallpaper.
11 June 2013, 10:34 AM ET
This stunning wallpaper shows Joshua Tree National Park in California. Viewed from the road, this desert park only hints at its vitality.
10 June 2013, 08:51 AM ET
This space wallpaper is an artist’s impression showing the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star.
07 June 2013, 08:47 AM ET
This beautiful space wallpaper shows a sunset at Concordia research station in Antarctica. The wooden platforms are for observation posts for astronomers. At the southern tip of the world Concordia receives no sunlight for around four months each year.
06 June 2013, 08:58 AM ET
This stunning wallpaper shows Biscayne National Park in Florida. Biscayne protects a rare combination of aquamarine waters, emerald islands, and fish-bejeweled coral reefs.
05 June 2013, 09:06 AM ET
This stunning space wallpaper shows a patchwork network of frozen ridges and troughs that cover the face of Enceladus, Saturn’s most enigmatic of icy moons.
03 June 2013, 05:34 PM ET
At Great Falls Park in Virginia, the Potomac River builds up speed and force as it falls over a series of steep, jagged rocks and flows through the narrow Mather Gorge as seen in this wallpaper.
03 June 2013, 09:39 AM ET
The bright spot located at the edge of the bluish fan-shaped structure in this cool space wallpaper is a young star called V* PV Cephei, or PV Cep.
31 May 2013, 12:14 PM ET
This beautiful wallpaper shows Redwood National Park in California. Coastal redwood forests with virgin groves of ancient trees, including the world's tallest, thrive in the foggy and temperate climate.
30 May 2013, 02:15 PM ET
This wallpaper shows the Buffalo National River in Arkansas, which flows freely for 135 miles and is one of the few remaining undammed rivers in the lower 48 states.