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 ...

A rescue cat using "sign language" when hungry has taken over TikTok. In a clip shared by user @ohcharliecat on January 24, a ginger tabby called Charlie can be seen putting his paws together and ...