We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that ...

Male chimpanzees use specific mating request gestures. Researchers stunned to discover cause of change in chimpanzee mating behavior: 'Rarely been demonstrated before' first appeared on The Cool Down.

On January 31, 1961, a chimpanzee named Ham became the first great ape to travel to space. His mission was crucial in proving ...

Famed chimpanzee expert Jane Goodall is set to make an appearance in Oregon next month. She will speak at Salem’s Elsinore ...

A rare and deliberate signal between a mother chimpanzee and her daughter raises new questions about ape communication, ...

Fast-evolving DNA gives human neurons greater complexity than chimps, aiding cognition but also increasing disease risk. A ...

The first chimpanzee to head into space was fighting against the odds from the start. He was born in 1957 in Cameroon and was ...

When a male chimpanzee wants to hit on a female without causing a scene, he sometimes has to get a little creative. "The alpha male, he can mate with whoever he wants, whenever he wants ...

Chimpanzee society is naturally aggressive and even violent. However, visitors at the Los Angeles Zoo probably didn’t expect this chimpanzee brawl to look like a sword fight.

Chimp Haven, the world’s largest chimpanzee sanctuary, has welcomed 10 chimpanzees from the Alamogordo Primate Facility in ...