Walking through the savanna-woodland landscape of Boé National Park, Guinea-Bissau, you might encounter a tree covered in gnarled scars, with an accumulation of rocks surrounding its base. 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 ...

It's hard to tell when—and why—our ancestors got down from trees and started walking on two legs. Many early hominins capable of bipedal walking were also well-adapted for climbing, and we lack fossil ...

Scientists at the Max Planck Institute for Evolutionary Anthropology, as well as Rocky Vista University (U.S.), show that gorillas spend much more time in the trees than previously thought. Gorillas ...

This is an archived article and the information in the article may be outdated.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. Chimpanzees drum with regular rhythm when ...