Researchers found that chimpanzees update their beliefs based on evidence, showing a human-like ability to reason and reflect ...

The experiment suggests that the animals are “not just driven by simple, emotional responses” but “have rather complex awareness.” ...

Most impressively, the animals even accounted for clues that undermined earlier evidence. If they heard something bouncing around inside box 1, they would assume, at first, that it was an apple—but ...

(AP) - Chimpanzees in Michigan are not considered “persons” with human rights, according to the state’s Court of Appeals. That means the owners of the DeYoung Family Zoo in the Upper Peninsula will ...

Researchers have found two important building blocks of human speech in wild chimpanzees, one of our closest relatives. A pair of studies finds that chimp communication includes both rhythmic ...