In studying the videos, the researchers found clear evidence of some chimps demonstrating better nut-cracking skills. They also found some were truly bad at it—they took twice as long as average ...

Chimpanzees at a Zambian wildlife sanctuary are going viral — not for escaping or throwing poo, but for their bizarre behavior that’s as puzzling as it is cheeky.

All of the former research chimpanzees that had been living on an Air Force base in New Mexico have finally arrived at a sanctuary in Louisiana. Many of these chimps are in their 50s and 60s.

Vanilla, the 28-year-old chimpanzee who was caged her entire life, saw the open sky for the first time in her life. Watch the heartwarming video.