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Friday, May 18, 2012
Why are some supernovas much more powerful than others? Astronomers are still trying to figure that out, but one new discovery ..
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Friday, May 4, 2012
Since the 1980s, astronomers have known about a mysterious class of objects that they call "ultraluminous X-ray sources," or ULX..
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Wednesday, April 18, 2012
Using a combination of powerful observatories in space and on the ground, astronomers have discovered a violent collision betwee..
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Wednesday, April 11, 2012
When we look up on a dark night, we see a sky filled with stars. The light from a star, like the light from a flashlight or a l..
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Tuesday, April 3, 2012
Over three hundred years ago, a very large star ran out of fuel and collapsed. This event created an explosion, known as a supe..
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Saturday, March 24, 2012
A galaxy cluster containing a structure never previously seen so far from Earth has been observed by Chandra X-ray Observatory...
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Friday, March 16, 2012
Dark matter is mysterious. We know that it is invisible material that does not emit or absorb any type of light, but we can det..
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Saturday, February 11, 2012
Over several years, astronomers have noticed flares in X-ray light from the black hole at the center of the Milky Way...
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Friday, February 3, 2012
G350.1+0.3 is a young and exceptionally bright supernova remnant located nearly 15,000 light years from Earth toward the center ..
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Saturday, January 28, 2012
Researchers have been traveling for decades to some of the coldest places on the planet to uncover some of the secrets from spac..
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Wednesday, January 11, 2012
Astronomers using the Chandra X-ray Observatory and ground-based optical telescopes have discovered an extraordinary galaxy clus..
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Thursday, December 22, 2011
The Milky Way galaxy has several small satellite galaxies very close to it. One of them is called the Small Magellanic Cloud...
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Wednesday, December 14, 2011
The galaxy cluster Abell 2052 is found some 480 million light years from Earth. At the center of Abell 2052 is a giant elliptic..
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Saturday, December 10, 2011
30 Doradus is a place where stars are born literally. This region, which is also known as the Tarantula Nebula, is located abou..
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Wednesday, November 30, 2011
Over three decades ago, Stephen Hawking placed, and eventually lost, a bet against the existence of a black hole in Cygnus X-1...
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