News
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EarthGrand Canyon born by continental lift
A "drip" deep within the Earth may have raised the Colorado plateau to create the spectacular landscape of the U.S. Southwest.
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EarthWith warming, Arctic is losing ground
Scientists anticipate big ecosystem changes as erosion spills nutrients into the sea
By Janet Raloff -
SpaceFormer planet may have grown a tail
Pluto appears to trail a cometlike cloud of gas.
By Ron Cowen -
LifeZap! More fish
An upgraded brain underlies the wide diversity in a family of electric fish, scientists say.
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EarthCurrents reach deep for seafloor larvae
Surface waters circulate more than a mile down, transporting organisms between distant ocean-bottom habitats.