This new freedom is a long cry from where Vanilla started. The adult chimp was born into captivity at a lab specializing in HIV and hepatitis research and was torn away from her mother shortly ...

Haunting images reveal a bizarre experiment where a baby was raised alongside a chimpanzee. One distressing photo shows the infant in tears after being repeatedly spun around in his chair.

Natalia the chimp has been carrying her dead baby since February, when the newborn primate died two weeks after their birth Bailey Richards is a writer-reporter at PEOPLE. She has been working at ...