Browse News Stories
71 to 80 of 557 stories
view headlines only
-
Deeper Look at Centaurus A
May 16, 2012 The strange galaxy Centaurus A is pictured in a new image from the European Southern Observatory. With a total exposure time of more than 50 hours this is probably the deepest view of this peculiar ... > full story -
A Supernova Cocoon Breakthrough
May 15, 2012 Astronomers have the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery may help astronomers understand why some ... > full story -
Black Holes Turn Up the Heat for the Universe
May 15, 2012 Astrophysicists have just discovered a new heating source in cosmological structure formation. Until now, astrophysicists thought that super-massive black holes could only influence their immediate ... > full story -
Overfed Black Holes Shut Down Galactic Star-Making
May 9, 2012 The Herschel Space Observatory has shown galaxies with the most powerful, active black holes at their cores produce fewer stars than galaxies with less active black holes. The results are the first ... > full story -
Black Hole Caught Red-Handed in a Stellar Homicide
May 2, 2012 Astronomers have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close. Supermassive black holes, weighing millions to billions times more than ... > full storyMore: -
Remarkable Outburst Seen from Old Black Hole
April 30, 2012 An extraordinary outburst produced by a black hole in a nearby galaxy has provided direct evidence for a population of old, volatile stellar black holes. The discovery provides new insight into the ... > full story -
Rogue Stars Ejected from the Galaxy Are Found in Intergalactic Space
April 30, 2012 Astronomers have identified nearly 700 rogue stars that appear to have been ejected from the Milky Way ... > full story -
Where Do the Highest-Energy Cosmic Rays Come From? Probably Not from Gamma-Ray Bursts
April 18, 2012 Some rare cosmic rays pack an astonishing wallop, with energies prodigiously greater than particles in human-made accelerators like the Large Hadron Collider. Their sources are unknown, although ... > full storyMore: -
NASA's WISE Mission Sees Skies Ablaze With Blazars
April 12, 2012 Astronomers are actively hunting a class of supermassive black holes throughout the universe called blazars thanks to data collected by NASA's Wide-field Infrared Survey Explorer (WISE). The mission ... > full story -
Cannibalistic Galaxy With a Powerful Heart
April 4, 2012 Astronomers have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new image reveals further hints about its cannibalistic past and energetic processes going on in its ... > full storyMore:
Search ScienceDaily
Number of stories in archives: 137,088

