Some chimpanzees in West Africa repeatedly throw rocks at particular trees, creating piles of stones that can remain in use ...

Some chimpanzees do something no animal was supposed to be capable of: they deliberately manufacture weapons. What drives ...

Wild monkeys in West Africa can climb vertical tree trunks using foot flexibility scientists did not realize they possessed.

Can chimpanzees, apes and bonobos remember friends they have not seen for decades? A Johns Hopkins University surprising ...

This video shows a group of chimpanzees gathered closely together in a dense green forest environment, highlighting the ...

A blade of grass tucked behind an ear sparked a fashion craze that spread through an entire community, and the trendsetters ...

Editor's note: This segment was rebroadcast on July 7, 2025. Click here for that audio. Scientists studying chimpanzees in the Budongo Forest of Uganda noticed the creatures seem to be administering a ...

Chimpanzees and bonobos structure their social relationships in similar ways to humans, according to a new international study led by researchers from Utrecht University and Universidad Carlos III de ...

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A group of suddenly hairless chimpanzees in Germany left their zookeepers baffled — but they now worry they have been tearing each other’s hair off. The chimps’ muscular physiques make an alarming ...

Chimpanzees take risks, have emotional outbursts and sometimes even show aggression. Researchers say that growing adolescent bodies help explain the behaviors. Good morning. I'm Steve Inskeep. A new ...

Amid this controversy, Russian biologist Ilya Ivanov set out in the mid-1920s to crossbreed humans and chimpanzees. Ivanov ...