It's not unusual for chimpanzees to fight. Chimpanzee society is naturally aggressive and even violent. However, visitors at the Los Angeles Zoo probably didn't expect this chimpanzee brawl to look ...

STOCKHOLM, Sweden -- A chimpanzee who calmly collected a stash of rocks and then hurled them at zoo visitors in fits of rage has shown the animals can plan ahead just like humans, a study said Monday.

Get ready for Primate, a brutal killer chimp movie in which a group of friends’ tropical vacation turns into a terrifying, primal tale of horror and survival when a family pet turns violent. Paramount ...