Chimpanzees may look like smaller, hairier versions of humans, but when a full-grown chimp decides to throw its weight around, the difference is stark. Their strength is not just a gym-rat talking ...

A chimpanzee feeding her offspring shared a heartwarming moment with a new mom when she spotted her baby and walked over to ...

A new study from Uganda shows that chimpanzee culture and learning are much more complex than scientists once believed.

Researchers collected and analyzed urine from chimpanzees in a Ugandan forest after they'd eaten fermented fruit to determine how much alcohol they'd consumed. (Sharifah Namaganda) For 11 days in late ...