Koko, the gorilla who mastered sign language and showed the world what great apes can do, has died. She died Tuesday in her sleep at age 46, The Gorilla Foundation said in a statement. "Koko touched ...

(NEW YORK) — Koko, the gorilla who mastered sign language and became a pop-culture phenomenon, will be laid to rest Saturday in a ceremony at an animal sanctuary in Northern California where she lived ...

Koko, the gorilla whose apparent aptitude for sign language endeared her to fans around the world, died in her sleep on Tuesday morning, according to the Gorilla Foundation, which oversaw her care.

Koko the gorilla who mastered sign language, raised kittens and once playfully tried on the glasses of the late actor Robin Williams, has died. She was 46. The Gorilla Foundation says the western ...