During his 60 years in general relativity, the field of physics established by Albert Einstein, University of Pittsburgh Professor Emeritus of physics and astronomy Ezra T. Newman not only worked alongside ...
Nov 18, 2010
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Scientists pursuing supermassive black holes suspect that these giants merge somewhere in the universe roughly once a year, but they don't know how to find them. They think the evidence is hidden in the powerful gravitational ...
Nov 08, 2010
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An Ohio State University astronomer is working to unlock some of the mysteries surrounding the formation of vast galaxies and the evolution of massive black holes with his own large constellation of silicon ...
Oct 14, 2010
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(PhysOrg.com) -- Seven years ago Northwestern University physicist Adilson E. Motter conjectured that the expansion of the universe at the time of the big bang was highly chaotic. Now he and a colleague have ...
Sep 07, 2010
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With a recently announced $6.5 million grant over five years from the National Science Foundation (NSF), an international consortium of researchers and institutions hopes to find and use the galaxy's most precise pulsars ...
Aug 24, 2010
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(PhysOrg.com) -- The possibility of going back in time only to kill your ancestors and prevent your own birth has posed a serious problem for potential time travelers, not even considering the technical details ...
Jul 21, 2010
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(PhysOrg.com) -- The Big Bang theory has formed the basis of our understanding of the universe's origins since it was first proposed in 1927 by Georges Lemaitre. And for good reason: the theory is supported ...
Jul 12, 2010
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Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...
May 20, 2010
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Imagine that you're a science-fiction writer on a tight schedule. You'd like to play in the vast expanses of the universe, but you have too much scientific integrity to conjure up a warp drive or a DeLorean out of thin air. ...
May 11, 2010
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Two pages of the original manuscript of Albert Einstein's famed "General Theory of Relativity" were unveiled Thursday at Shanghai's World Expo, state media reported.
May 06, 2010
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(PhysOrg.com) -- The weak equivalence principle (WEP) - which states that all bodies fall at the same rate in a gravitational field, regardless of structure or composition - is one of the key postulates of ...
May 03, 2010
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(PhysOrg.com) -- Two new and independent studies have put Einstein's General Theory of Relativity to the test like never before. These results, made using NASA's Chandra X-ray Observatory, show Einstein's ...
Apr 14, 2010
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(PhysOrg.com) -- Could our universe be located within the interior of a wormhole which itself is part of a black hole that lies within a much larger universe?
Apr 06, 2010
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The National Science Foundation has awarded a $221,660 grant to Indiana University faculty member Amit Hagar for the first comprehensive study of fundamental length, a concept that has intrigued theoretical physicists off ...
Mar 23, 2010
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(PhysOrg.com) -- An analysis of more than 70,000 galaxies by University of California, Berkeley, University of Zurich and Princeton University physicists demonstrates that the universe - at least up to a distance ...
Mar 10, 2010
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