The riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...

Add Yahoo as a preferred source to see more of our stories on Google. Val, an adult male chimpanzee, demonstrates the ‘grass-in-ear’ behavior. - Jake Brooker/Chimfunshi Wildlife Orphanage Trust ...

Chimpanzees consistently choose crystals over ordinary rocks, suggesting a curiosity that may echo early humans.

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

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This ...

Chimpanzees and people already share much when it comes to our evolutionary history, and the latest research shows we have a similar appreciation for fairness as well. A study published in the ...

A chimpanzee might not walk into a bar, but these apes have a taste for alcohol. Specifically, they consume alcohol inside fermented fruits, from figs to star apples to local stone fruits. As these ...

Renowned primatologist Jane Goodall’s decades of research into the lives of wild chimpanzees radically changed our understanding of these intelligent apes, humans’ closest relatives. Photograph by ...