Deep in the lush Mahale Mountains of Tanzania, a chimpanzee strips a twig of its leaves and then plunges it into the ground. When she yanks it out, the twig is crawling with tasty termites. The chimp ...

Chimpanzees learned to make and use stone tools on their own, rather than copying humans, new evidence suggests. And this means that chimps and humans likely inherited some of their sophisticated ...

The human race likes to see itself as separate from the rest of earth's many species, but as researchers develop more thoughtful experiments, those barriers have a tendency to fall away. Scientists ...

Chimpanzees used stone tools at least 4,300 years ago, back in the human Stone Age, according to a study of the first known prehistoric ape site, in Côte d'Ivoire. A University of Calgary-led group ...