National Geographic helped the famous conservationist get her start—and followed her chimpanzee research and advocacy for ...

Laser-mapping technology uncovers extensive ruins in a Honduran jungle rumored to contain a mythic White City.

Some 247 million years ago, a bizarre, six-inch-long reptile crept down a branch, its prehensile tail and feet clutching the bark like a monkey, and its narrow, birdlike face scanning its surroundings ...