The whites of your eyes are not an accident. They are, scientists now believe, one of the most sophisticated social ...

We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that existed in the common ancestor of humans and apes six million years ago. Humans ...

Bonobos for years have had the reputation of being the cool hippies of the simian world, with a "make love, not war" ethos, ...

Chimpanzees and bonobos are two closely related species of great apes and share much of their DNA with humans. Though they appear similar, they differ significantly in behavior, social structure, and ...

A new study shows a bonobo can track pretend juice and grapes, suggesting apes also have imagination, not only humans.