Add Yahoo as a preferred source to see more of our stories on Google. Celebrity gorilla Koko died in her sleep this week at age 46, the Gorilla Foundation announced today. Koko, a western lowland ...

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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 ...

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 ...

Editor's note: Koko the gorilla, an ambassador for her species famous for learning sign language, has died at the age of 46. To honor Koko's memory, National Geographic is republishing "Conversations ...

Koko the gorilla doted on her pet kitten as if it were her own child. To the amazement of her human handlers, she seemed able to capture the joys and annoyances of maternal love in strings of simple ...

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.

WOODSIDE, Calif. (AP) — 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 ...

Koko, a beloved gorilla who 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 ...

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 ...

The Gorilla Foundation, the nonprofit wildlife conservation group that took care of Koko, announced her death in a statement. According to Livescience.com, Koko could understand more than 1,000 words ...

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 for empathy, has died ...