Koko the gorilla, the super-intelligent ape who understands spoken English and communicates with humans via sign language, apparently reacted to the death of his friend Robin Williams like the ...

We ascribe human qualities to animals. Still, few of them get assigned as much humanity as Koko, the western lowland gorilla that purportedly could “speak” in sign language about 1,000 words ...

Koko the gorilla changed what we know about our closest relatives—and our October 1978 cover story explains why. Koko takes a self portrait, an image featured in a 1978 issue of National ...

Koko, the western lowland gorilla that died in her sleep Tuesday at age 46, was renowned for her emotional depth and ability to communicate in sign language.. She became an international celebrity ...

Woodside: 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 ...

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 ...

Koko the gorilla who could communicate using more than 1,000 hand signs died in California on Wednesday at the age of 46. Koko was said to have an IQ of between 75 and 95 and could understand ...

Koko, the gorilla famous for her ability to communicate using American Sign Language, died in her sleep Tuesday morning at age 46. Her passing leaves the world to mourn the loss of a most beloved ...

Koko was born at the San Francisco Zoo on July 4, 1971 and officially named Hanabi-ko. Koko, a beloved gorilla that learned to communicate with humans and then stole their hearts, has died. The ...

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 ...