An ancient species has had experts scratching their heads about its unusual jaw shape. The salamander-like creature had a highly unusual way of chewing its food. But this discovery was significant in ...
Most people think of climate change as a straightforward problem: more carbon dioxide in the atmosphere means a warmer planet ...
Since the U.S. ousted Venezuela’s president, Nicolás Maduro, earlier this year, officials in Caracas have been looking for ...
Locals warned Belo Monte would kill the river, and now the plant faces a turning point as prophecies become real.