28 February 2013, 10:46 PM ET
This space wallpaper shows a deep-field image of what is known as a supercluster of galaxies — a giant group of galaxy clusters which are themselves clustered together.
24 February 2013, 11:28 PM ET
This artist’s impression shows the material ejected from the region around the supermassive black hole in the quasar SDSS J1106+1939 in this cool space wallpaper.
21 February 2013, 07:00 AM ET
White dwarfs have magnetic fields many thousands of times stronger than any on Earth.
20 February 2013, 07:23 PM ET
This cool space wallpaper from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile, shows the bright star cluster NGC 6520 and its neighbor, the strangely shaped dark cloud Barnard 86.
20 February 2013, 05:24 PM ET
This space wallpaper shows an artist’s impression of the disc of gas and cosmic dust around the young star HD 142527.
20 February 2013, 03:14 PM ET
The blinking star Algol is actually a pair of eclipsing stars.
15 February 2013, 07:00 AM ET
The warped leftovers of an exploded star could be hiding what is possibly the youngest black hole in our galaxy.
12 February 2013, 07:01 PM ET
Giant black holes are famous for their appetites, but these matter-munching monsters are even greedier than scientists had thought.
12 February 2013, 11:05 AM ET
Hypervelocity stars similar to our sun could shed light on star formation in the dust-shrouded center of the Milky Way.
08 February 2013, 03:39 PM ET
Some stars are ticking time bombs on their way to becoming supernovas.
06 February 2013, 11:01 AM ET
This gorgeous pink galaxy hides a gorging black hole.
05 February 2013, 08:58 AM ET
Photographer Justin Ng (Facebook.com/justinngphoto) captured the cones of Mount Bromo, Mount Semeru and Mount Batok during sunset and into the night. Lava smoke, long exposure stars, and a passing dust storm spice the scene.
01 February 2013, 11:37 AM ET
Stargazers will be able to see a clear view of the Orion and Canis Major Constellations this month, and the many bright stars they contain.
30 January 2013, 05:04 PM ET
Radio waves have been found from the coolest brown dwarf source yet, a failed star in the constellation Leo.
30 January 2013, 01:01 PM ET
Swirling gas around black holes provides the key.
28 January 2013, 11:13 PM ET
This amazing space wallpaper shows an artist’s impression of the material around a recently exploded star, known as Supernova 1987A (or SN 1987A).
28 January 2013, 04:36 PM ET
160,000 light years from Earth, the region of hurried massive star growth and supernovas called DL50 is radiating x-rays 20x faster than a typical such structure. Chandra X-Ray Observatory scientists are looking to find out why.
15 January 2013, 12:06 AM ET
In this space wallpaper, the bright core of the Tarantula Nebula with the cluster of hot stars. Note also the wisps of luminous gas extending as "legs" from the central area - this is how the nebula got its creepy name.
13 January 2013, 10:00 AM ET
Astronomers think they know why a dense gas cloud near the Milky Way's center is producing so few stars.
11 January 2013, 03:43 PM ET
The huge instrument is making good progress toward a planned 2018 launch, NASA officials say.
11 January 2013, 04:01 AM ET
The clump of quasars stretches 4 billion light-years from end to end.
10 January 2013, 05:06 PM ET
This composite space wallpaper shows the jet from a black hole at the center of a galaxy striking the edge of another galaxy.
10 January 2013, 04:58 PM ET
NGC 6872 is more than five times wider than our own Milky Way.
10 January 2013, 07:00 AM ET
A new estimate puts our galaxy's mass at 500 trillion to 1 quadrillion times that of the sun.
08 January 2013, 03:45 PM ET
The structure is more than 300 light-years long but just 1 or 2 light-years wide.
07 January 2013, 02:27 PM ET
The spectacular outburst is 10 times brighter than the biggest supernova.
07 January 2013, 01:01 PM ET
Astronomers have spotted comets in six more alien star systems, bringing the tally to 10.
02 January 2013, 02:56 PM ET
A new study suggests planets are extremely common throughout the galaxy.
02 January 2013, 01:00 PM ET
Baby planets pull gas and dust toward their parent star, helping young suns to continue in their evolution.
01 January 2013, 01:18 PM ET
This unique space wallpaper shows AB7, one of the highest excitation nebulae in the Magellanic Clouds (MCs), two satellite galaxies of our own Milky Way.
21 December 2012, 01:51 AM ET
This space wallpaper shows an artist’s impression of the supergiant star Betelgeuse as it was revealed thanks to different state-of-the-art techniques on ESO’s Very Large Telescope (VLT).
19 December 2012, 01:01 PM ET
Some enormous clusters manage to stay young at heart, a new study finds.
18 December 2012, 10:25 AM ET
The Hubble Space Telescope has captured a spinning and gyrating white dwarf carving some incredible features into the planetary nebula (NGC 5189) it has formed.
13 December 2012, 02:01 PM ET
The ratio of the mass of a proton to the mass of an electron hasn't changed.
12 December 2012, 02:20 PM ET
A galaxy that may be farther than any previously seen is shedding light on the earliest years of the universe.
12 December 2012, 01:02 PM ET
Scientists have solved a befuddling mystery about the X-ray light coming from the sun.