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News Release 11-046
Earth's Sixth Mass Extinction: Is It Almost Here?
Steep decline of many animal species warns that Earth is on the brink
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Earth's warming climate is contributing to an infection responsible for tropical frog extinctions.
Credit: Nicolle Rager Fuller, National Science Foundation
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A female polar bear walks along the shore of Canada's Hudson Bay, waiting for ice to form.
Credit: Steven Amstrup, Polar Bears International
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A burst of gamma rays reaching Earth may have caused an extinction 440 million years ago.
Credit: NASA
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The ocean in Devonian times: is past prologue in biodiversity collapse?
Credit: University of Michigan Museum of Paleontology
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Ancient fossil leaves tell a story of sudden loss of biodiversity that may have future parallels.
Credit: John Weinstein, The Field Museum
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The future in a drop of water? Ponds bear lasting imprints of events in their pasts.
Credit: State of Texas
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