30 May 2013, 02:38 PM 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.
28 May 2013, 03:25 PM 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.
27 May 2013, 03:02 PM 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.
24 May 2013, 01:51 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.
23 May 2013, 12:47 PM ET
An onionskin-like structure of concentric dust shells surround a central, aging star as seen in this cool space wallpaper.
22 May 2013, 02:25 PM 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.
21 May 2013, 09:59 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.
20 May 2013, 11:04 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.
17 May 2013, 12:41 PM 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.
16 May 2013, 04:50 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.
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).