The San Francisco Zoo is soon saying goodbye to its three chimpanzees -- Twiggy, Gombus, and Michael -- as it plans to ...

The San Francisco Zoo announced Thursday it will say goodbye to its three remaining chimpanzees as it temporarily shutters its chimp program. At the same time, zoo ...

After gaining new territory through conflict, a chimpanzee group saw higher birth rates and better infant survival due to ...

Alice and Ellen Kessler, twin dancers and singers who launched their international career in the 1950s and performed with ...

Uganda’s Ngogo chimpanzees are well known for their “chimpanzee warfare.” Primatologists have observed their brutal, lethal ...