A chimpanzee named Vanilla looked in awe, seeing a vast, open blue sky for the first time after living in captivity. The animal protection organization Save The Chimps posted a heartwarming video ...

Male dominance plays a big role in chimp society. Disputes are often resolved by threatening displays or by fighting. Female chimps lead a life much more solitary than that their bonobo cousins ...

Rockhampton Zoo staff watched anxiously as new chimpanzee Sile met her new troop ... went "straight up to Sile and just gave her a big hug". "They have a really close relationship now," he said.