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," ...

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 ...

A new study has found that chimpanzees may be far from shy bathroomgoers. A team of researchers spent more than 600 hours studying 20 captive chimpanzees to determine that chimps may experience ...