25 January 2012, 06:01 AM ET
Astronomers found a link between active starburst galaxies in the early universe to giant elliptical galaxies we see today.
25 January 2012, 06:00 AM ET
Light traveling for 10 billion years now gives astronomers a glimpse into the largest galaxies in the Universe. Found in the Fornax constellation, these galaxies (highlighted in red) burst on the cosmic scene with very rapid, intense star formation.
18 January 2012, 05:05 PM ET
A network of radio telescopes could provide a picture of our galaxy's central black hole.
14 January 2012, 07:00 AM ET
From billions of alien planets dotting our universe to a black hole that fires into space, it's been a remarkable week for space photography.
13 January 2012, 07:00 AM ET
Several different instruments watched the dramatic event unfold.
11 January 2012, 02:35 PM ET
This animation shows the black hole system H1743-322 ejecting powerful gas 'bullets' during its mid-2009 outburst.
16 December 2011, 07:00 AM ET
Black holes have heartbeats that pulse through the Milky Way.
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.