The conflict is unfolding in Uganda's Kibale National Park, where a once-unified group has split into rival factions that ...

Researchers have documented a permanent split between the largest-known group of wild chimpanzees, which erupted into a ...

Wild chimpanzees in Uganda split into rival groups and turned violent, revealing how broken social bonds alone can drive ...

A major chimpanzee group split into rivals and turned violent, showing how social divisions alone can drive deadly conflict ...

A long-term study of the world's largest known community of chimpanzees has documented a rare event: what the researchers describe as the primate equivalent of a "civil war." ...

Chimpanzees are one of the closest relatives to humans, but they are also significantly stronger, with some estimates suggesting several times the strength of an average person. Living in complex ...

When she was a kid in the 1970s, Karen Terio wasn't allowed to watch much television, but wildlife specials were permitted.

Chimpanzees that had once formed a cohesive community in Uganda split into factions and turned violent, according to a new ...

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 ...

Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned about human nature ...

A new study of our two closest living relatives finds that, at least in zoos, bonobos may not be more peaceful than ...

They look playful, affectionate, even human—but the chimpanzees flooding social media are often on a path that leads not to ...