Long known to be the peaceful close relative of humans, scientists have discovered that the endangered bonobo is more complicated than previously believed. A new study has observed male bonobos ...

Chimpanzees are our closest relatives and highly intelligent. They use tools, communicate, and live in complex social ...

A multiyear study of dozens of wild, adult chimps suggests that play helps reduce tension and boost cooperation among individuals.

Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind.

Now, researchers reporting in the Cell Press journal iScience on November 8 have found that chimpanzees’ performance on computer tasks is influenced by the number of people watching them.