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Posted: April 4th, 2008, 7:27am CDT
April 4 (Bloomberg) -- The collapse of the $330 billion auction-rate securities market has brought debt sales by U.S. public student-loan agencies to a halt.
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Posted: April 4th, 2008, 6:45am CDT
If you thought the Hubble Deep Field galaxy photo was the most incredible thing you've ever seen, wait until you lay eyes on the most sensitive infrared map of the distant Universe ever taken. Over the last three years, UK astronomers have compiled data from the United Kingdom Infrared Telescope (UKIRT) in Hawaii and [...]
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Posted: April 4th, 2008, 6:45am CDT
According to new research, a galaxy with a quasar in the middle is not a good place to grow up. As active galactic nuclei (AGN) evolve, they pass through a "quasar phase", where the accretion disk surrounding the central black hole blasts intense radiation into space. The quasar far outshines the entire host galaxy. After [...]