Extinction
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Five Species Likely to Become Extinct in the Next 40 Years
Experts estimate that one-eighth of all bird species, one-fifth of mammal species and one-third of amphibian species are at risk
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The History of Air
Paleontologists are looking to the fossil record to decipher what the earth's atmosphere was like hundreds of millions of years ago
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Mammoths and Mastodons: All American Monsters
A mammoth discovery in 1705 sparked a fossil craze and gave the young United States a symbol of national might
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The Skeletons of Shanidar Cave
A rare cache of hominid fossils from the Kurdistan area of northern Iraq offers a window on Neanderthal culture
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Why Did Mammals Survive When Dinosaurs Perished?
Had the non-avian dinosaurs not been wiped out 65 million years ago, our species would probably never existed
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Ten Notable Apocalypses That (Obviously) Didn’t Happen
Apocalyptic predictions are nothing new—they have been around for millennia
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Return of the Sandpiper
Thanks to the Delaware Bay's horseshoe crabs, the tide may be turning for an imperiled shorebird
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