Chimps in the wild engage in deadly battles with rival troops to increase their reproductive success, suggests new research. The Ngogo chimps of Uganda’s Kibale National Park have long been known for ...

Learn how urine tests revealed that wild chimpanzees metabolize alcohol from naturally fermented fruit, and what that could mean for human evolution.

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

Chimps in the wild engage in deadly battles with rival troops to increase their reproductive success, suggests new research. Get any of our free email newsletters — news headlines, sports, arts & ...