“First opening in 1901, KOKO has stood proudly at the forefront of London arts and culture and still today, remains fully ...

WOODSIDE, Calif.-- 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 ...

Perhaps the most incredible scene in “Won’t You Be My Neighbor?,” the recent documentary about Mr. Rogers, features Mr. Rogers meeting Koko, the beloved western lowland gorilla. Koko, who died in her ...

Koko was 13 years old when she learned her beloved kitten, All Ball, died after being hit by a car. Visibly upset, the western lowland gorilla kept signing the words “sad, frown, cry, bad” and cried ...

WOODSIDE, Calif. — 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 ...

When Koko died in her sleep in California on June 19, people throughout the world immediately began mourning the gorilla. Koko was a charmer and undeniably smart. She took an unusual route to fame.

"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 ...

"The Gorilla Foundation is sad to announce the passing of our beloved Koko," the research center says, informing the world about the death of a gorilla who fascinated and elated millions of people ...

In several previous experiments, sign language has been taught to chimpanzees, but this is the first real attempt with a gorilla. At left, Koko indicates "eat" with bunched fingertips to her lips and ...