A zoo in the U.S. state of Kansas has welcomed the birth of a healthy baby pygmy hippopotamus, raising hope for a species ...

Chimpanzees, our closest living relatives in the animal kingdom, are remarkable creatures known for their intelligence, ...

Undated photos provided Thursday by Brigham and Women’s Hospital show chimpanzee attack victim Charla Nash after the attack and post-face transplant surgery. Nash was mauled by a chimpanzee in ...