Male bonobos have an impressive ability to detect when females are most fertile, even though the usual visual cues are unreliable. Researchers tracking wild bonobos in the Congo discovered that males ...

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 into the sexual behaviour of bonobos has found that ‘sexual swelling’ may be used by female bonobos to confuse loyal males and increase the number of sexual partners available to them.

Doug was the leader of his chimpanzee group. He had quickly gained a reputation from human observers as a fair and tolerant alpha male. One day he was separated from the group for some health checkups ...

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 ...

Female bonobos, one of the closest living relatives to humans, have a rare kind of power – they dominate males, even though they are smaller and physically weaker. Scientists say this is because they ...