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 ...

WOODSIDE, Calif. -- The Gorilla Foundation, based out of Woodside, is among those mourning the loss of Robin Williams. The foundation said the actor and Koko the gorilla shared a special bond. The two ...