(AP) -- Wild horses have returned to northern Siberia. So have musk oxen, hairy beasts that once shared this icy land with woolly mammoths and saber-toothed cats. Moose and reindeer are here, and may one day be joined by ...
Earth Sciences
Nov 28, 2010
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Even before the dawn of agriculture, people may have caused the planet to warm up, a new study suggests.
Earth Sciences
Jun 30, 2010
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(PhysOrg.com) -- On March 2, an asteroid whizzed past the Earth at a distance of just 41,000 miles -- a near miss by cosmic standards (most communications satellites orbit at a distance of about 22,300 miles from Earth). ...
Space Exploration
Mar 17, 2009
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An asteroid of a similar size to a rock that exploded above Siberia in 1908 with the force of a thousand atomic bombs whizzed close past Earth on Monday, astronomers said on Tuesday.
Space Exploration
Mar 3, 2009
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