A new study reconstructing thousands of years of fire history in the southern Appalachians supports the use of prescribed fire, or controlled burns, as a tool to reduce the risk of wildfires, restore and maintain forest health ...
Environment
Apr 6, 2010
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William Holmes was at his desk at a downtown San Francisco engineering firm when a message from the U.S. Geological Survey flashed onto his computer screen: A magnitude 7.0 earthquake had struck 10 miles from the Haitian ...
Earth Sciences
Feb 4, 2010
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When the Apollo 11 astronauts blasted off from the moon, they left behind not just the small steps of men but a giant pile of equipment and junk for all of mankind.
Space Exploration
Jan 30, 2010
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Within 10 years, we'll find life outside Earth -- that's the prediction of Peter Smith, the University of Arizona professor who led NASA's Phoenix Mars Mission.
Space Exploration
Apr 21, 2009
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(PhysOrg.com) -- A recent study has confirmed that although there was a large reduction of organic carbon and total nitrogen pools when prairies were first cultivated and drained, there has been no consistent pattern in these ...
Environment
Jan 15, 2009
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Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world.
Environment
Jan 7, 2009
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