Researchers at Kyoto University spent more than 600 hours studying 20 captive chimps to determine if urination is socially ...

A new study has found that chimpanzees may be far from shy bathroomgoers. A team of researchers spent more than 600 hours studying 20 captive chimpanzees to determine that chimps may experience ...

Koko the chimpanzee was a happy-go-lucky fellow, but he couldn't shake one nagging thought: his lack of a tail.

Just as people often yawn or scratch themselves when they see someone else do so, for chimpanzees, peeing is contagious ...