She will be remembered. Koko, a beloved gorilla who inspired many, has died at age 46. Koko, who was known for her unique ability to communicate through sign language, died in her sleep on Tuesday, ...

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 ...

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 ...