Chimpanzees share more than 98% of human DNA, and decades of field research across Africa show their societies can be intensely violent. Long-term studies at sites like Gombe and Kibale document ...

Add Yahoo as a preferred source to see more of our stories on Google. A Congolese Army soldier holds a baby chimpanzee while manning a checkpoint in the entrance to the provincial capital of Goma, ...

Wild chimpanzees in Uganda split into two separate communities and later engaged in deadly attacks against each other.

Primates, including humans, are among the social animals living on Earth. Their survival relies heavily on cooperation with ...

For decades, the 200 Ngogo chimpanzees in Kibale National Park, Uganda, lived what seemed a calm and normal existence. Males and females hunted together, groomed each other and went on patrols through ...