Historically considered a more peaceful species than their chimpanzee cousins, bonobos are actually just as aggressive -- but target their ire most often at males, according to a study published ...

Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives.

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This contrast has frequently been used to explain different sides of human nature.

Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

Chimpanzees and bonobos are often thought to reflect two different sides of human nature—the conflict-ready chimpanzee versus the peaceful bonobo—but a new study publishing April 12 in the journal ...

Bonobos (pictured) and chimpanzees are our closest relatives. A new study looks at how a community of bonobos behave when they encounter a different group of bonobos. It's markedly different from the ...

In the video captured on Feb. 26, the great ape runs towards the glass and bangs its hand on it, causing it to crack.

People are constantly looking at the behavior of others and coming up with ideas about what might be going on in their heads. Now, a new study of bonobos adds to evidence that they might do the same ...

A new look into the private lives of chimpanzees has found that the primates settle disagreements with close friends by rubbing genitals together, a behavior previously that's commonly seen in their ...

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 ...