"You key there me cookie." With that sign language, Koko the gorilla tells her mentor; 28-year old graduate student Penny Patterson, to get the key, open the closet and get a goodie out of the cookie ...

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 ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Koko, a beloved gorilla that learned to communicate with humans and then stole their hearts, has died.

Over the years, Koko's fame grew. She appeared on two covers of National Geographic—and even took one of the pictures herself. Fans also fell in love with the friendship Koko developed with her kitten ...

Koko, a beloved gorilla that learned to communicate with humans and then stole their hearts, has died. The Gorilla Foundation said the 46-year-old celebrity ape - a western lowland gorilla - died in ...

SAN FRANCISCO (AP) — Koko the gorilla, whose remarkable sign-language ability and motherly attachment to pet cats helped change the world’s views about the intelligence of animals and their capacity ...

WOODSIDE, Calif. (AP) — Koko, the gorilla who mastered sign language, has died. The Gorilla Foundation says the 46-year-old western lowland gorilla died in her sleep at the foundation's preserve in ...