AMES, Iowa – Shocking is one word Jill Pruetz uses to describe the behavior she witnessed after a chimp was killed at her research site in Fongoli, Senegal. The fact that chimps would kill a member of ...

The man tracking chimpanzee movements in a rainforest is required to follow the primates wherever they go—except up in the trees. Onesmas Ainebyona stalks the chimps with such spiritual determination ...

Al and Kamaka, two old friends who are both in their 50s, are experiencing a whole new world. Part of what's novel: females. "Right off the bat, they were just enamored with the ladies in the group," ...

Two new studies hint at the evolutionary roots of human language. The studies found that chimps use rhythmic structures and complex call combinations to communicate. This next story could not be ...

Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind. Behind the scenes at a Chicago zoo, chimpanzees who spent years ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

Picture a baby chimp clinging to its mother's back, wide eyes taking in everything around it. Just like human babies, these little ones start life completely helpless, relying on their mom for ...

Chimpanzees are adapted to live across diverse habitats in Africa, but little is known about the potential adaptation of chimps in different environments. A new study has found that these apes possess ...