Studies of hominid fossils, like 4.4-million-year-old "Ardi," are changing ideas about human origins
Scientists converge on the northernmost city in the United States to study global warming's dramatic consequences
Pollinating crickets, the longest migration, puffed up toads and more...
John Gurche, a “paleo-artist,” has recreated strikingly realistic heads of our earliest human ancestors for a new exhibit
Bob Reiss on “Welcome to Barrow, Alaska, Ground Zero for Climate Change”
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