08 July 2013, 09:40 AM ET
A look at these weird, light-gobbling cosmic monsters.
01 July 2013, 07:00 AM ET
After 10 years in orbit, NASA's GALEX mission is now over. The Galaxy Evolution Explorer mission began in 2003 and officially shut down in 2013.
20 June 2013, 06:00 AM ET
New observation's by the European Southern Observatory's Very Large Telescope shows that the black hole in the center of galaxy NGC 3738 not only has a doughnut shape dust cloud around it, but also has dust at its polar regions.
20 June 2013, 06:00 AM ET
Dust around a supermassive black hole has been blown away from where astronomers expected to find it.
17 June 2013, 06:00 AM ET
The origins of a black hole's x-rays lie in its gaseous disk.
14 June 2013, 05:04 PM ET
Huge black holes could explain brightest objects in the universe.
12 June 2013, 07:22 PM ET
Andromeda has more known black holes than any galaxy besides the Milky Way.
06 June 2013, 04:35 PM ET
These pioneers may have served as seeds for the supermassive black holes at the hearts of galaxies today.
30 May 2013, 10:45 AM ET
A stunning composite image of a galaxy 850 million light years away shows a black hole emanating two powerful jets.
29 May 2013, 07:00 AM ET
If time is real, the laws of nature may evolve over time, Smolin says.
25 April 2013, 09:09 AM ET
The heat from newborn stars creates a halo of gas around its parent galaxy. When a distant galaxy's black hole-powered light is absorbed by the gas, the Hubble Space Telescope's Cosmic Origins Spectrograph (COS) can detect it.
09 April 2013, 03:31 PM ET
Astronomers have caught a black hole snacking on what may be a free-flying giant planet.
02 April 2013, 09:26 AM ET
Astronomers have detected a black hole consuming the outer layers of a brown dwarf or a giant planet. Observations of galaxy NGC 4845 by ESA's Integral Space Observatory and XMM-Newton revealed an x-ray flare consistent with black hole activity.
20 March 2013, 10:29 AM ET
Astronomers have spotted a star in our galaxy that races around a black hole at a breakneck speed, orbiting once every 2.4 hours.
19 March 2013, 11:20 AM ET
Europe’s XMM-Newton space telescope has helped to identify a star and a black hole that orbit each other at the dizzying rate of once every 2.4 hours, smashing the previous record by nearly an hour.
15 March 2013, 04:30 PM ET
Schmidt discusses quasars, their impact on astronomy and the anniversary of his seminal find.
13 March 2013, 02:02 PM ET
Astronomers still lack a basic understanding of how these incredibly bright objects work.
06 March 2013, 11:55 AM ET
The Milky Way's central black hole is in for a tasty treat.
28 February 2013, 02:02 PM ET
An unusual vertical column hides the black hole in an X-ray binary system with a rare orientation.
27 February 2013, 01:05 PM ET
The discovery could help astronomers better understand how these behemoths grow.
27 February 2013, 06:21 AM ET
The findings are based on observations made by the NuSTAR and XMM-Newton space telescopes.
25 February 2013, 12:03 AM ET
This space wallpaper from ESO’s VISTA telescope reveals a celestial landscape of vast, glowing clouds of gas and tendrils of dust surrounding hot young stars. This infrared view reveals the stellar nursery known as NGC 6357 in a new light.
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.
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.
08 February 2013, 05:47 PM ET
Black holes are some of the strangest and most mysterious objects in the universe.
06 February 2013, 11:01 AM ET
This gorgeous pink galaxy hides a gorging black hole.
30 January 2013, 01:01 PM ET
Swirling gas around black holes provides the key.
29 January 2013, 10:33 AM ET
When a super-massive star dies, it's corpse collapses into a knot so tight not even light can escape. And this drain on the fabric of the Universe can alter the shape of space and shift the flow of time. World-recognized experts explain.
18 January 2013, 05:12 PM ET
Black holes are strange regions where gravity is strong enough to bend light, warp space and distort time.
18 January 2013, 12:30 PM ET
Using the Karl G. Jansky Very Large Array, scientists have imaged a 20,000-year-old supernova remnant that resembles a manatee. The gas clouds have been pushed outward by a microquasar deep within the nebula.
18 January 2013, 06:00 AM ET
Black holes will look crescent-shaped, researchers say.
11 January 2013, 04:01 AM ET
The clump of quasars stretches 4 billion light-years from end to end.
08 January 2013, 11:43 AM ET
A beautiful image of Cassiopeia-A taken with a new X-ray space telescope reveals the explosive death of a star in unprecedented detail.
24 December 2012, 07:00 AM ET
A brief rundown of some of the year's record-breaking astronomical finds.
19 December 2012, 03:12 PM ET
Ultramassive black holes can weigh millions to billions of times the mass of the sun.