Great apes appear to build friendships much like humans do. By studying grooming behavior, researchers discovered that ...

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 ...

At a glance, gorillas and chimpanzees might seem like cousins in the jungle, both wild, powerful, and undeniably close to humans in appearance. But beyond their shared DNA and forest homes lies a ...