A study in Japan suggests that peeing is contagious in chimpanzee troops. When one goes, they all tend to go. The question is why. The finding is based on more than 600 hours of chimp ...

"It is the first time she was outdoors with more than 10 feet of fence around her on all sides from top to bottom," said Dan Mathews with Save The Chimps Kimberlee Speakman is a digital writer at ...

Only identified as a species separate from chimps in 1929, bonobos intrigue biologists with their easygoing ways, sexual equality, female bonding, and zeal for recreational sex. How did bonobos ...

National Geographic assigned Hugo to document chimp behaviors but also to film and photograph what they called “human interest”—Jane playing with the chimps and even washing her hair.