Chimpanzees appear to execute Rational Evidence-Weighing in complex decision-making tasks. The experiments conducted demonstrated that chimps changed their minds when presented with stronger evidence.

Retired lab chimpanzees housed in a New Mexico facility are headed for greener pastures in an animal sanctuary in Louisiana next spring, the National Institutes of Health said. The primates are being ...

Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. KEITHVILLE, La. (KTAL/KMSS) – The largest ...

Chimpanzees are our closest living relatives, and this adds to the fascination of learning how they behave and interact with each other. We know that they, like humans, live in social groups and that ...

By Will Dunham WASHINGTON, March 13 (Reuters) - Bonobos for years have had the reputation of being the cool hippies of the ...

Chimpanzees drum with regular rhythm when they beat on tree trunks, a new study shows. Chimpanzees and humans last shared a common ancestor around 6 million years ago. Scientists suspect this ancient ...

A recent study performed on chimpanzees demonstrates that chimpanzees possess cognitive flexibility similar to that of humans. When circumstances or evidence change, chimps appear to do the thing ...