29 June 2011, 01:00 PM ET
The super-bright galaxy ULAS J1120+0641 is also the most distant quasar ever seen.
24 June 2011, 09:55 AM ET
These are the three things people most want to know about the universe they live in.
20 June 2011, 10:28 AM ET
New discoveries suggest that black holes and galaxies may be born together. Hubble and Chandra teams combined the deepest X-ray image ever made with some of the faintest light ever photographed.
17 June 2011, 11:50 AM ET
A supermassive black hole in the galaxy GRS 1915+105 spins and swallows stellar material with an even rhythmic pattern, the Chandra X-ray observatory has discovered.
16 June 2011, 02:01 PM ET
Did a massive black hole in a distant galaxy devour a star that wandered too close, producing a bright jet pointed at Earth?
15 June 2011, 01:00 PM ET
Astronomers have detected the earliest black holes yet – and they're revealing secrets about the galaxies they live in.
13 June 2011, 01:41 PM ET
Leading astrophysicists explain why only certain stars will end their lives as black holes.
13 June 2011, 01:40 PM ET
Care to make a black hole? These astrophysicists are happy to share the recipe. It just might take you some time to assemble the ingredients.
10 June 2011, 05:43 PM ET
The galaxy Markarian 739 has not one, but two ginormous black holes in its core.
10 June 2011, 03:33 PM ET
Markarian 739 - just 425 light years away - is only the 2nd galaxy within 500 million light years known to have twin active galactic nuclei. NASA's Swift and Chandra observatories made the discovery.
31 May 2011, 10:32 AM ET
How Do Black Holes Warp The Space And Time Around Them?
31 May 2011, 10:27 AM ET
All large galaxies - including ours - seem to have supermassive black holes at their centers. Astrophysicists Ann Wehrle, Roeland van der Marel and Ed Turner explain how these beasts form.
31 May 2011, 10:23 AM ET
Why Does The Element Iron Kill Stars?
20 May 2011, 02:26 PM ET
Particle jets from Centarus A's super-massive black hole blast the power of 55 million suns. The TANAMI project radio telescope got this most detailed view of such jets.
19 May 2011, 05:36 AM ET
A design study for a new observatory, called the Einstein Telescope, will be presented today in Italy.
01 May 2011, 01:02 PM ET
The largest-ever three-dimensional map of the distance universe has been created using quasars.
13 April 2011, 07:04 AM ET
Space and time warp when two black holes collide.
07 April 2011, 02:18 PM ET
A huge and powerful cosmic explosion that lit up deep space last week still has astronomers scratching their heads.
07 April 2011, 01:27 PM ET
The energy released when neutron stars collide, or when black holes are born, causes huge bursts of gamma rays that can be detected across the Universe.
24 March 2011, 02:01 PM ET
The well-known black hole Cygnus X-1 is revealing new details about the warped space around it.
11 March 2011, 06:22 PM ET
The "eye" is really the environment around a spiral galaxy called NGC 4151, which is 43 million light-years from Earth.
11 March 2011, 03:13 PM ET
Black holes can pulse space itself making it resonate with gravitational waves. New and planned Earth-based detectors will rip such space songs for human ears. Hear how two dancing black holes would "sound".
16 February 2011, 01:05 PM ET
Scientists have developed a new way to weigh black holes in active galaxies.
15 February 2011, 07:15 AM ET
Scientists probe the way that light gets distorted by the warped space-time around black holes
09 February 2011, 05:51 PM ET
A stunning Valentine's Day photo from space shows a cosmic ring made of black holes and young stars.
27 January 2011, 02:18 PM ET
The end state of a black hole may be a mind-bending kind of spacetime independent of time, scientists say.
19 January 2011, 02:09 PM ET
Key new clues in the mystery behind what feeds the monstrous supermassive black holes have come to light.
12 January 2011, 07:08 PM ET
Astronomers have now measured the most massive black hole known from our cosmic neighborhood, a huge beast with a mass of 6.6 billion suns, a new study reports.
10 January 2011, 03:46 PM ET
NASA's Hubble Space Telescope is helping demystify one of the strangest space objects ever seen.
10 January 2011, 09:41 AM ET
Thousands of astronomers are gathering in chilly, cloudy Seattle for the annual winter meeting of the American Astronomical Society.
09 January 2011, 01:01 PM ET
Which comes first: a galaxy or its central black hole?
07 January 2011, 09:12 PM ET
How Can Black Holes Be Detected?
06 January 2011, 10:38 AM ET
The universe is a weird place. Here's a look at some of the strangest things in the cosmos.
05 January 2011, 09:14 PM 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 very shape of space and change the flow of time. World-recognized experts explain.
05 January 2011, 04:05 PM ET
World renowned experts explain how the fabric of space is altered near black holes; and what happens to normal matter (like you and me) if we stray too near to one. Also, the counter-intuitive nature of time near these radically strange objects.
05 January 2011, 09:34 AM ET
For years, scientists thought that huge black holes needed to gorge on matter from colliding galaxies. But that may not be, a new study finds.