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

It’s not unusual for chimpanzees to fight. Chimpanzee society is naturally aggressive and even violent. However, visitors at ...

Some male chimpanzees use covert physical gestures to sneakily solicit sex. According to a new study, these mating moves vary ...

New research seems to suggest bonobos could possess some form of theory of mind. But there's a bit more to it than that.

A new Yale study provides a fuller picture of the genetic changes that shaped the evolution of the human brain, and how the process differed from the evolution of chimpanzees. For the study, published ...

Chimpanzees have protective genetic adaptations against malaria, according to a new study that could provide important insights into developing more effective malaria vaccines for humans.

The Noonan lab at Yale University is focused on understanding how HARs contribute to the evolution of uniquely human brain features.

Washoe passed away in Ellensburg on October 30, 2007, at the age of 42. Her legacy includes the formation of the CWU Primate Behavior program, a wholly unique and interdisciplinary approach to the ...

Washoe passed away in 2007, and the CHCI closed its doors for good in 2013. The remaining chimpanzees, Tatu and Loulis, were ...