Add Yahoo as a preferred source to see more of our stories on Google. A chimpanzee female (Pan troglodytes schweinfurthii) sleeps in a nest built in a tree in Uganda's Kibale National Park. The ...

You might have heard a fascinating bit of news in recent weeks: Researchers at the Ngogo Chimpanzee Project in Uganda published a paper documenting a deadly split among a large group of chimpanzees.

For years, two sets of chimpanzees lived as one in Uganda’s Kibale National Park — grooming, interacting and patrolling their territory in a cohesive community. Subscribe to read this story ad-free ...

A chimpanzee female (Pan troglodytes schweinfurthii) sleeps in a nest built in a tree in Uganda's Kibale National Park. The origins of human evolution might lie, in part, in the ancient transition ...

One night in the sparse forests of eastern Tanzania, I stood in the viridian twilight and watched a troop of chimpanzees make their beds. Standing in a tangle of underbrush, I listened to the sounds ...