When Robin Williams passed away, many people around the world mourned his loss. But he not only left a mark among humans, he also made a friend of another species, Koko, the smartest gorilla in ...

Koko lived most of her life at the Gorilla Foundation in California. She was filmed meeting the late actor Robin Williams in 2001.

Documentary telling the extraordinary story of Koko, the only 'talking' gorilla in the world, and her lifelong relationship with Penny Patterson. Project Koko started as a PhD project to teach ...

Koko, the celebrated western lowland gorilla, died at the age of 46 this week. Many people paid tributes to her by praising her signing skills. She's famous for her signing skills, but all is not ...

The loan was intended to provide companionship for Koko, the famous sign-language-capable gorilla that befriended celebrities, including Mr. Rogers and Robin Williams, on television. Koko died in June ...