A recent study performed on chimpanzees demonstrates that chimpanzees possess cognitive flexibility similar to that of humans ...

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question still lingers—was it worth it?

Researchers believe the yawning robot may have triggered some biological mechanism in the chimps that they associated with sleep. Image: Popular Science composite, Getty Images/ RMJM, Aline ...

And chimps outperform humans. I once watched Matsuzawa show videos of his experiments with Ai and Ayumu at a conference attended by the world’s leading chimp researchers, including Jane Goodall, ...

Charles Darwin studied apes in the zoo to observe their behaviour and emotions. His book, The Expression of the Emotions in Man and Animals, published in 1872, explores the mental abilities that ...

Haven is a place on Earth. Chimp Haven, that is — the retirement home for New Mexico chimpanzees used for biomedical experiments at Holloman Air Force Base’s Alamogordo Primate Facility. Earlier this ...

Source: Ruben van Kuik, via Wikimedia Commons. How do scientists study the evolution of human culture and cognition? There aren’t any early hominins around—but there are chimpanzees, our closest ...