The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ancestor. The ...

The dream of flying has always fascinated humanity. In evolutionary history, the ability to fly has emerged independently only three times: in birds, pterosaurs, and, uniquely among mammals, in bats.

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. Subscribe to ...