Extinction
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
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
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
The Skeletons of Shanidar Cave
A rare cache of hominid fossils from the Kurdistan area of northern Iraq offers a window on Neanderthal culture
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
Ten Notable Apocalypses That (Obviously) Didn’t Happen
Apocalyptic predictions are nothing new—they have been around for millennia
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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