14 January 2014, 12:29 PM ET
By surrounding their star with swarms of energy-collecting satellites, advanced civilizations could create Dyson spheres.
14 January 2014, 10:00 AM ET
The star Proxima Centauri represents our nearest stellar neighbor in the universe.
13 January 2014, 01:00 PM ET
The Hubble Space Telescope has captured an image of a star engulfed in a hazy nebula, destined to explode into a supernova one day.
13 January 2014, 01:24 AM ET
This space wallpaper shows the remnant of Supernova 1987A seen in light of very different wavelengths.
10 January 2014, 03:09 PM ET
Floating at the center of this cool space wallpaper is a lidless purple eye, staring back at us through space. This ethereal object, known officially as [SBW2007] 1 but sometimes nicknamed SBW1, is a nebula with a giant star at its center.
09 January 2014, 04:30 PM ET
The stunning space wallpaper depicts a pulsar wind nebula, produced by the dense remnant of a star that exploded in a supernova. What's left behind is a pulsar, called PSR B1509-58 (B1509 for short).
09 January 2014, 02:58 PM ET
Photographer Nicholas Buer (@NicholasBuer, facebook.com/NicholasBuerPhotography) created this timelapse in the high desert region of Chile known as San Pedro de Atacama, a place revered by astronomers for having some of Earths cleanest, darkest skies
09 January 2014, 02:36 PM ET
Just a few hundred thousand times our Sun's mass, the hungry singularity in dwarf galaxy 47 Abell 1795 munched on a nearby star for at least 6 years, while the Chandra X-ray Observatory watched.
08 January 2014, 11:02 AM ET
This amazing space wallpaper is Gemini Planet Imager’s first light image of Beta Pictoris b—a planet orbiting the star Beta Pictoris. The star, Beta Pictoris, is blocked in this image by a mask so its light doesn’t interfere with the light of the planet.
08 January 2014, 06:55 AM ET
Two independent studies used the Hubble Space Telescope to capture galaxies from the early universe. One spotted galaxies 100 times fainter than previous detections, while the other captured galaxies up to 20 times brighter than similar galaxies.
07 January 2014, 04:31 PM ET
This space wallpaper is a long-exposure Hubble Space Telescope image of massive galaxy cluster Abell 2744. The image shows some of the faintest and youngest galaxies ever detected in space.
06 January 2014, 04:37 PM ET
This beautiful space wallpaper is an artist's illustration of Supernova 1987A, which is based on real data and reveals the cold, inner regions of the exploded star's remnants (in red) where tremendous amounts of dust were detected and imaged by ALMA.
03 January 2014, 09:49 AM ET
This dazzling space wallpaper of the Antennae Galaxies shows obvious signs of chaos. Clouds of gas are seen in bright pink and red, surrounding the bright flashes of blue star-forming regions.
02 January 2014, 09:20 AM ET
This spectacular space wallpaper shows three of the four Auxiliary Telescopes of the Very Large Telescope Interferometer at ESO’s Paranal Observatory. Above the telescopes, the long bright stripes are star trails.
31 December 2013, 05:02 PM ET
This space wallpaper is an illustration of the hypothetical appearance of the exoplanet GJ 1214b, which is known as a "super-Earth" type planet because it is slightly more than six Earth masses.
29 December 2013, 01:53 PM ET
This stunning space wallpaper is a colorized composite image from NASA's Dawn mission showing the crater Antonia, which lies in the enormous Rheasilvia basin in the southern hemisphere of the giant asteroid Vesta.
27 December 2013, 05:01 PM ET
This cool space wallpaper taken from the International Space Station is not an interstellar cloud formation but artificial light over a cloudy China.
24 December 2013, 01:37 AM ET
This festive space wallpaper taken by NASA’s Hubble Space Telescope resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis appears at the center of the image.
20 December 2013, 01:54 PM ET
Scientists created this stunning space wallpaper, which is a composite image of Vesta's crater Aelia. The image reveals the flow material on the inside and outside of the crater.
19 December 2013, 04:59 PM ET
Soyuz VS06, with Gaia space observatory, lifted off from Europe's Spaceport, French Guiana, on Dec. 29, 2013, as seen in this spectacular space wallpaper.
19 December 2013, 09:43 AM ET
By keeping tabs on 1 billion stars over its five-year mission, Gaia aims to create the first accurate 3D map of the Milky Way Galaxy.
19 December 2013, 07:00 AM ET
Europe's Gaia spacecraft lifted off from French Guiana Thursday, carried aloft by a Russian Soyuz-Fregat rocket. Gaia is on its way to a gravitationally stable point about 930,000 miles from Earth, which it should reach in three weeks.
17 December 2013, 02:33 PM ET
Using a billion pixel camera and 2 telescopes, the European spacecraft will scan every star at least 70 times during a 5 year period. This will create the most comprehensive guide to the Milky Way to date.
17 December 2013, 01:59 PM ET
This space wallpaper is a color-coded topography map of Juventae Chasma revealed by Mars Express. White and red show the highest terrains, while blue and purple show the deepest.
16 December 2013, 09:31 AM ET
This beautiful space wallpaper is a composite image combining a new infrared view of the Crab Nebula, obtained with ESA’s Herschel Space Observatory, with an optical image from the archives of the NASA/ESA Hubble Space Telescope.
13 December 2013, 09:27 AM ET
ESA's Gaia mission's billion pixel camera will create the most accurate three dimensional map of our galaxy (mapping a billion stars). Find out how it will do it. The mission is scheduled to launch on December 19th, 2013.
12 December 2013, 05:05 PM ET
NASA scientists found faint signatures of water in the atmospheres of five distant planets orbiting three different stars, as illustrated in this space wallpaper. All five planets appear to be hazy.
10 December 2013, 01:58 PM ET
This colorful space wallpaper from NASA's Cassini mission is the highest-resolution view of the unique six-sided jet stream at Saturn's north pole known as "the hexagon." Image obtained on Dec. 10, 2012 and released Dec. 4, 2013.
06 December 2013, 11:13 AM ET
This space wallpaper is an Envisat radar image acquired over the city of Boca do Acre in western Brazil. The city lies within Amazonas state, the largest Brazilian state by area, and almost completely covered by the Amazon Rainforest.
05 December 2013, 12:59 PM ET
This space wallpaper by NASA's Kepler spacecraft shows the telescope's full field of view taken in a new demonstration mode in late October.
04 December 2013, 09:15 AM ET
This cluster of stars seen in this space wallpaper is known as Messier 15. It is located some 35,000 light-years away in the constellation of Pegasus (The Winged Horse).
03 December 2013, 01:54 PM ET
When a planet transits its star, the change in light tells its tale. Size, mass and atmospheric composition can be derived. Especially critical: Does it have oxygen, the marker of life?
03 December 2013, 11:23 AM ET
The Large Magellanic Cloud is one of the closest galaxies to our own. Astronomers have used ESO’s Very Large Telescope to explore NGC 2035, one of its lesser known regions, in great detail as seen in this stunning space wallpaper.
02 December 2013, 02:59 PM ET
Now that autumn is fading into winter, the beautiful winter Milky Way is coming into view in the eastern sky.
02 December 2013, 10:17 AM ET
Astronomers at ESO have captured the best image so far of the curious clouds around the star cluster NGC 3572 as seen in this spectacular space wallpaper.
29 November 2013, 02:02 PM ET
This time-lapse space wallpaper shows Comet ISON approaching and leaving during its slingshot around the sun — represented by the white circle — on Nov. 28, 2013. The ISON images clearly outline the curve of the comet's orbit path.