Sammy the chimp celebrates his 47th birthday with style.

Few figures in history have done more to change our understanding of the natural world. We celebrate Jane Goodall’s ...

A deadly conflict between rival groups of chimpanzees in Uganda led to comprehensive victory and a bounty of territory and ...

A chimpanzee got loose inside the Indianapolis Zoo on Friday. According to CBS4 in Indianapolis, guests were asked to head back to their cars or shelter in secure locations.An Indianapolis Fire ...

A chimpanzee broke out of her enclosure at the Indianapolis Zoo Friday morning, sparking a lockdown that trapped dozens of visitors — including 37 schoolchildren on a field trip. Jake Oakman, the ...

INDIANAPOLIS — A chimpanzee was on the loose inside the Indianapolis Zoo on Friday as guests were asked to head back to their cars or shelter in secure locations. An Indianapolis Fire Department run ...

The animal kingdom can be rather unforgiving, but even the cutest animals have strange reasons to do some pretty gruesome ...

Humans may have evolved to go to war because it led to an increase in children, a study suggests. Anthropologists following ...

WARNING: Graphic and distressing content. St. James Davis was savagely attacked by two chimps at the animal sanctuary where ...

Fifteen years ago, researchers working deep in Uganda's Kibale National Park watched something unsettling unfold. The Ngogo ...