15 May 2013, 09:54 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.
14 May 2013, 04:49 PM 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.
13 May 2013, 10:22 AM ET
This space wallpaper is an illustration of the thin, rocky debris disc discovered around the two Hyades white dwarfs.
10 May 2013, 02:04 PM 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.
09 May 2013, 02:21 PM 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.
08 May 2013, 03:44 PM ET
This intriguing space wallpaper shows the galaxy catalogued as 2MASX J05210136-2521450, which stands out at a glance due to its interesting shape.
07 May 2013, 04:15 PM ET
This cool space wallpaper is an illustration showing a messy, chaotic galaxy undergoing bursts of star formation.
06 May 2013, 03:25 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.
02 May 2013, 03:12 PM 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.
01 May 2013, 02:40 PM 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.
01 May 2013, 02:16 PM 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.
30 April 2013, 10:48 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.
29 April 2013, 04:05 PM ET
Virgin Galactic conducted a historic first supersonic test flight of SpaceShipTwo on April 29, 2013, in the Mojave Desert, Calif., as seen in this stunning space wallpaper.
29 April 2013, 02:08 PM 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.
26 April 2013, 11:29 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.
25 April 2013, 02:35 PM 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.
24 April 2013, 12:07 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.
22 April 2013, 11:49 PM ET
Astronomers have used ALMA to pinpoint the locations of more than 100 of the most fertile star-forming galaxies in the early Universe. This fascinating space wallpaper shows close-ups of a selection of these galaxies.
22 April 2013, 11:44 AM ET
This stunning space wallpaper is based largely on observations from the Moderate Resolution Imaging Spectroradiometer (MODIS) — a sensor aboard the Terra Satellite — on July 11, 2005.
22 April 2013, 12:11 AM ET
This space wallpaper is a NASA/ESA Hubble Space Telescope view looking long ago and far away at a supernova that exploded more than 10 billion years ago — the most distant Type Ia supernova ever detected.
19 April 2013, 06:38 PM ET
This stunning space wallpaper shows the youngest-known supernova remnant in our galaxy, which lies 10,000 light years away in the constellation Cassiopeia. The light from this exploding star first reached Earth in the 1600s.
18 April 2013, 02:27 PM ET
This intriguing space wallpaper from ESO’s Very Large Telescope shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star. It is located about 3300 light-years away in the constellation of Scutum (The Shield).
17 April 2013, 12:36 AM ET
The dark hot spot in this false-color space wallpaper from NASA's Cassini spacecraft is a window deep into Jupiter's atmosphere. All around it are layers of higher clouds, with colors indicating which layer of the atmosphere the clouds are in.
16 April 2013, 01:27 PM ET
This stunning space wallpaper, taken using the NASA/ESA Hubble Space Telescope, shows a unique example of a globular cluster — Palomar 2. Palomar 2 is part of a group of 15 globulars known as the Palomar clusters.
15 April 2013, 03:14 PM ET
This cool space wallpaper shows a perspective view of a 50 km diameter crater in Thaumasia Planum.
12 April 2013, 05:54 PM ET
This beautiful space wallpaper is an artist’s impression of an exoplanet seen from its moon. The diversity of exoplanets is large — more than 800 planets outside the Solar System have been found to date, with thousands more waiting to be confirmed.
12 April 2013, 03:01 PM ET
The tip of the "wing" of the Small Magellanic Cloud galaxy is dazzling in this space wallpaper from NASA's Great Observatories.
11 April 2013, 03:00 PM ET
This cool space wallpaper is a composite color image of the Herschel PACS 70, 100, 160 micron-wavelength images of Betelgeuse.
10 April 2013, 04:24 PM ET
The soft glow in this space wallpaper is NGC 2768, an elliptical galaxy located in the northern constellation of Ursa Major (The Great Bear). It appears here as a bright oval on the sky, surrounded by a wide, fuzzy cloud of material.
09 April 2013, 01:29 PM ET
This space wallpaper reveals Galaxy 2MASX J09442693+0429569 imaged by Hubble. This elliptical galaxy has entered a transitional phase from a young, star-forming galaxy to an older, larger, "red and dead" galaxy.
08 April 2013, 01:55 PM ET
An area covering northern Namibia and southern Angola is pictured in this stunning space wallpaper. Running across this Kompsat-2 satellite image, the Okavango River forms the border between Namibia to the south and Angola to the north.
05 April 2013, 02:25 PM ET
This beautiful space wallpaper reveals a small, sparkling hook in the dark sky known as J082354.96+280621.6, or J082354.96 for short. It is a starburst galaxy, so named because of the incredibly (and unusually) high rate of star formation occurring within