08 August 2013, 01:02 PM ET
This beautiful wallpaper shows Sunset Crater National Monument in Arizona. Sunset Crater Volcano was born in a series of eruptions sometime between 1040 and 1100.
07 August 2013, 09:35 AM ET
The small, blue galaxy visible in the upper left corner of the Tadpole ripped through the larger spiral galaxy, distorting it and pulling out a long tail of stars, gas and dust as seen in this cool space wallpaper.
06 August 2013, 02:45 PM ET
This wallpaper shows Timpanogos Cave National Monument in Utah. Timpanogos Cave is known for its high concentration of helictites — a spiraling cave formation that seems to defy gravity.
05 August 2013, 09:42 AM ET
This new space wallpaper from the NASA/ESA Hubble Space Telescope captures an ongoing cosmic collision between two galaxies a spiral galaxy is in the process of colliding with a lenticular galaxy.
02 August 2013, 09:19 AM ET
This stunning space wallpaper shows the dramatic shape and color of the Ring Nebula, otherwise known as Messier 57. New observations show that the nebula is shaped like a distorted doughnut.
01 August 2013, 03:18 PM ET
This beautiful wallpaper shows Saint Croix National Scenic Riverway in Minnesota and Wisconsin. The St. Croix and Namekagon Rivers offer 252 miles (405 km) of clean water gliding past a lush green landscape, with glimpses of a human presence.
31 July 2013, 01:35 PM ET
This intriguing space wallpaper reveals the spectacular stellar nursery IC 2944. The image was released on May 23, 2013 to celebrate a milestone: 15 years of ESO’s Very Large Telescope.
30 July 2013, 10:39 AM ET
This wallpaper shows Wupatki National Monument in Arizona. Less than 800 years ago, Wupatki Pueblo was the largest pueblo around. It flourished for a time as a meeting place of different cultures.
29 July 2013, 09:34 AM ET
An onionskin-like structure of concentric dust shells surround a central, aging star as seen in this cool space wallpaper.
26 July 2013, 10:13 AM ET
This space wallpaper shows the ray pattern of dust that was ejected from the crater over a billion years ago, when an asteroid larger than a mile (1.6 km) across slammed into the Moon.
25 July 2013, 03:07 PM ET
This wallpaper shows Yellowstone National Park, which spans the states Wyoming, Montana and Idaho.
24 July 2013, 09:40 AM ET
This stunning space wallpaper reveals Supernova 1987A in the Large Magellanic Cloud. Glittering stars and wisps of gas create a backdrop for the self-destruction of a massive star.
23 July 2013, 12:16 PM ET
This beautiful wallpaper shows Yosemite National Park in California.
22 July 2013, 09:13 AM ET
This stunning space wallpaper is a Landsat image of the Clearwater Lakes in Canada’s Quebec province. Located to the east of the Hudson Bay, what appears to be two separate lakes is actually a single body of water that fills two depressions.
19 July 2013, 02:43 PM ET
This image shows Utah's first national park, Zion National Park. Visitors can follow the paths where ancient native people and pioneers walked and gaze up at massive sandstone cliffs of cream, pink, and red that soar into a brilliant blue sky.
18 July 2013, 11:59 AM ET
This space wallpaper of the nebula NGC 3603 shows globules of gas and dust; giant, gaseous pillars; young stars surrounded by debris disks; aging, massive stars; and a blue supergiant star—all various stages in star life.
17 July 2013, 09:55 AM ET
Strands of sun, soil, and air are woven into a beautifully connected patchwork of plants and animals, as seen in this cool wallpaper taken from Big Thicket National Preserve in Texas.
16 July 2013, 01:58 PM ET
This dramatic space wallpaper reveals cosmic clouds in the constellation of Orion showing what seems to be a fiery ribbon in the sky.
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.