19 October 2012, 04:08 PM ET
A second court appeal falls short.
05 October 2012, 03:11 PM ET
A few degrees from the center of our galaxy, a black hole feeding off a nearby star is caught belching a sudden outburst of X-rays in a telltale pattern. NASA's Swift satellite spotted this secretive pair 20-30 million light years from Earth.
04 October 2012, 02:00 PM ET
A star that moves at record-breaking speed could help astronomers test Einstein's theory of general relativity.
03 October 2012, 01:01 PM ET
Star clusters like this were thought to contain no black holes, or maybe just one.
03 October 2012, 12:39 PM ET
The find could help explain why bigger galaxies have bigger central black holes.
27 September 2012, 05:15 PM ET
Telescope peers in at closest matter swirling around a black hole.
29 August 2012, 01:12 PM ET
The graceful gravitational dance of two colliding galaxies can feed the supermassive black holes at their center, rearranging and heating up the gas within these galaxies as seen in this simulation.
29 August 2012, 07:40 AM ET
The NASA briefing will discuss new discoveries about monster black holes and rare galaxies.
22 August 2012, 01:04 PM ET
How can you swim upstream in the river of time? Physicists Charles Liu and Michio Kaku have some answers.
22 August 2012, 06:30 AM ET
The cosmic "seeds" may help explain how our galaxy's monster black hole formed.
15 August 2012, 07:55 PM ET
This space wallpaper reveals an artist's impression of galaxy at center of Phoenix Cluster.
15 August 2012, 05:10 PM ET
Some key facts about the faraway cluster, which may be the most massive ever found.
15 August 2012, 06:42 AM ET
When two black holes collide they could create gravitational waves.
13 August 2012, 05:32 PM ET
Black holes are objects made completely of warped space and time.
09 August 2012, 07:00 AM ET
The map could help crack the mystery of dark energy and dark matter.
06 August 2012, 07:00 AM ET
A star in the process of being gobbled by a black hole is letting of dying screams.
02 August 2012, 02:01 PM ET
The most basic tenet of black holes, that nothing can escape, is untrue.
02 August 2012, 02:00 PM ET
It remains a mystery how supermassive black holes get to be so big.
31 July 2012, 07:00 AM ET
The NuSTAR space telescope will begin its science mission phase in August.
11 July 2012, 07:01 AM ET
Dark galaxies are small, gas-rich objects from the early universe.
03 July 2012, 12:14 PM ET
The black hole-hunting NuSTAR observatory has taken its first images in high-energy X-ray light.
02 July 2012, 11:42 AM ET
The meal will provide a rare chance to watch our home black hole eat something.
21 June 2012, 02:15 PM ET
The black hole-hunting NuSTAR observatory has extended a mast to separate its optics from their focal point.
21 June 2012, 07:00 AM ET
The fledgling NuSTAR telescope will stretch out a boom to separate its optics from their focal point.
20 June 2012, 07:00 AM ET
Black holes more commonly eat many small meals rather than a single huge feast, a study found.
19 June 2012, 04:31 PM ET
Our home in space is a vast galaxy containing 400 billion suns, at least that many planets, and a 4-billion-solar-mass black hole at the center.
13 June 2012, 12:00 PM ET
The NuSTAR mission will search the skies with X-ray eyes.
13 June 2012, 07:00 AM ET
NASA's NuSTAR space telescope will lift off Wednesday from an airplane-born rocket.
12 June 2012, 08:59 AM ET
The air-launched Nuclear Spectroscopic Telescope Array, NuSTAR, will launch on a Pegasus rocket into Earth orbit where it will detect high-energy X-rays to uncover hidden black holes, exploded stars and other features of the universe.
12 June 2012, 06:00 AM ET
The NuSTAR telescope will try to shed some light on the dark parts of the universe.
11 June 2012, 05:07 PM ET
A black hole-hunting telescope called NuSTAR is next on the launch docket.
10 June 2012, 09:16 AM ET
From complete coverage of Venus crossing the sun to a New York space shuttle, it's been an unforgettable week in space.
08 June 2012, 05:29 PM ET
The NuSTAR telescope will search for black holes after it launches next week.
08 June 2012, 01:25 PM ET
By focusing X-rays, the NuSTAR space telescope will study black holes and other exotic objects.
07 June 2012, 01:19 PM ET
A black-hole hunting spacecraft called GEMS will not be built, NASA says.
06 June 2012, 03:37 PM ET
Many black holes may roam freely through intergalactic space.