15 December 2011, 12:16 PM ET
During galactic scans, NASA's Rossi X-Ray Timing Explorer has detected patterns that are similar to that of an electrocardiogram - in x-rays. This comparison of two black hole's shows how the time between x-ray blips can determine their size.
14 December 2011, 01:01 PM ET
The giant black hole at the center of our galaxy is about to chow down on something monster meal.
13 December 2011, 11:17 PM ET
Scientists say there are Higgs bosons in space, but they are like trees falling in the forest with no one there to hear them.
12 December 2011, 05:19 PM ET
The finding could explain how the universe's first supermassive black holes grew so quickly
10 December 2011, 08:00 AM ET
From a comet diving into the sun to planets made of diamonds and more, it was a busy week in space.
10 December 2011, 08:00 AM ET
From a dragonfish shape in the sky to a rainbow image of the asteroid Vesta, see the most amazing images from space this week.
06 December 2011, 01:07 PM ET
Gamma-rays are the highest-energy form of light in the universe.
05 December 2011, 01:06 PM ET
An International team of astronomers have come across two massive black holes - 10 billion times larger than the sun. Dunlap Institute for Astronomy and Astrophysics professor James Graham and Nicholas McConnell explain the discovery.
05 December 2011, 09:56 AM ET
Two newly discovered black holes tip the scales at more than 9 billion times the mass of our sun.
29 November 2011, 06:00 AM ET
Refining the distance to the solar mass black hole in Cygnus X-1 allowed astronomers to precisely calculate its characteristics.
21 November 2011, 09:11 AM ET
Astronomers have more precisely determined the spin, mass and distance of what they are confidently calling a stellar-mass black hole in the Cygnus X-1 system. Hawking bet against its existence three decades ago. Take a guided tour of the system.
16 November 2011, 01:25 PM ET
Astronomers used NASA's WISE space telescope to take a detailed look at black hole jets.
16 November 2011, 11:13 AM ET
The faint glimmer of stuff emitted by black holes is called Hawking radiation. It's made of particles that escaped by way of quantum tunneling.
15 November 2011, 02:48 PM ET
Atari has updated the gaming classic with new features, multiple ships and even black holes. Available for iPhone, iPad and iPod touch!
05 November 2011, 01:10 AM ET
Was it the discovery of the brightest, youngest and farthest pulsar star, dusty cloaks around huge black holes, or Hubble Telescope catching a never-before-seen look at black hole's maw?
03 November 2011, 02:01 PM ET
The discovery could shake up astronomers' ideas about how millisecond pulsars form.
01 November 2011, 08:00 AM ET
The finds were made with the help of the agency's Fermi Gamma-ray Space Telescope.
31 October 2011, 02:51 PM ET
Strange clouds of dust near some supermassive black holes could come from smashed planets and asteroids.
07 October 2011, 02:21 PM ET
Researchers are trying to connect stellar radiation events to extinctions visible in the fossil record, and are able to estimate how often an extinction-level gamma ray burst may occur.
03 October 2011, 10:35 AM ET
This cool space wallpaper reveals a view of the Universe that cannot be seen at all by visible-light and infrared telescopes.
03 October 2011, 05:31 AM ET
The ALMA radio telescope array is now open for business.
02 October 2011, 06:00 AM ET
Was it the solar flares on the sun, Frankenstein's monster moon mystery or something else?
26 September 2011, 06:00 AM ET
Ripples on star surfaces could reveal that tiny, dark-matter black holes are passing through.
04 September 2011, 07:45 AM ET
Was it the conspiracy theories in the movie "Apollo 18", a giant black hole caught eating one of it's own or something else?
31 August 2011, 01:01 PM ET
The find could help astronomers understand galaxy and black hole mergers.
29 August 2011, 07:00 AM ET
Astronomers have found a galaxy they've dubbed the 'missing link' of radio astronomy.
28 August 2011, 09:00 AM ET
Was it Hurricane Irene from space, a black hole swallowing a star or something else?
25 August 2011, 06:20 AM ET
Talk about a big eater. This monster ate a star 1 million times the mass of our sun.
31 July 2011, 07:00 AM ET
This week we saw rare volcanoes discovered on the moon and questioned whether we are truly alone in the universe.
30 July 2011, 10:56 AM ET
They include a giant meteorite, zero gravity printers for space, a black hole gobbling up gas and more.
28 July 2011, 02:50 PM ET
This amazing space wallpaper shows X-rays from Chandra and optical data from the VLT of the galaxy NGC 3115.
28 July 2011, 11:03 AM ET
A NASA observatory has clearly observed the flow of hot gas toward a black hole for the first time in X-ray wavelengths.
27 July 2011, 04:09 PM ET
For the first time, clear evidence of gas flow falling towards a black hole has been witnessed. Observations of galaxy NGC 3115, harboring this supermassive void, were made by the Chandra Observatory and Europe's Very Large Telescope.
27 July 2011, 08:00 AM ET
Astronomers are applying their knowledge of stars and black holes to medical treatment.
17 July 2011, 09:42 AM ET
The last spacewalk of the shuttle era, space-time warps and what happens when a space toilet gets clogged, vote for your favorite space story this week.
29 June 2011, 04:07 PM ET
The super-bright galaxy ULAS J1120+0641 is also the most distant quasar ever seen.