Spread out across 200 acres in Northwest Louisiana, Chimp Haven is the world's largest chimpanzee sanctuary. Every detail, from the moat to the meal plan, has been designed to ensure the more than 300 ...

Chimpanzees living in a sanctuary in Africa have developed a “fashion trend” for dangling blades of grass or sticks from their ear holes and their behinds, a new study shows. In 2010, researchers ...