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 ...

New research suggests wild chimpanzees have developed a far more nuanced communication system than previously realized, using several mechanisms that combine their vocalizations to create new meaning.

We all experience stress and conflict — whether it’s an argument with a friend, workplace tension, or competition for ...

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 ...

Humans are not the only species to combine concepts to build more complex meaning, a new study found. Bonobo chimpanzees combine calls in a manner similar to how humans structure words to make phrases ...

Rubin, a baby bonobo, was foraging near his mother Rose in the Congo rain forest when an adult bonobo named Olive snatched some food from Rubin’s tiny hands. Then Olive smacked the baby, hard, in the ...

A small brain region reacts strongly to chimp calls. This shows that our voice system links to older primate signals.

Though very close in genetic relationship and virtually next-door neighbors, chimpanzees and a less-well-known species called bonobos in Zaire are socially poles apart. Only identified as a species ...