Bonobos, one of humanity’s closest relatives, can tell when a human doesn’t know something and steps in to help — a cognitive ability never before identified in nonhuman apes, a study found.

If you liked this story, share it with other people. Few apes have done more to unsettle human certainties than Kanzi the bonobo. He wasn’t the first nonhuman primate to use symbols to communicate, ...

Kanzi, a bonobo celebrated for his intelligence, died in March this year. A recently published study adds to his long list of cognitive abilities: he was able to track the location of people familiar ...

Females reign supreme in bonobo society by working together to keep males in their place. By Annie Roth Male domination is the natural order of things, some people say. But bonobos, primates with whom ...