By Will Dunham April 9 (Reuters) - For two decades, researchers observed members of the Ngogo chimpanzee group of Kibale National Park in Uganda spend their days eating fruits and leaves, resting, ...

The world’s largest-known group of chimpanzees split into two factions that are now engaged in deadly combat ...

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

The long-running conflict in a formerly unified community, the second ever observed, adds to Jane Goodall’s studies about a ...

Chimpanzees in Uganda use plants to treat wounds and help injured companions, revealing potential roots of human medicine.

Learn how the world’s largest known chimpanzee group split in Kibale National Park, Uganda, and why the divide led to deadly ...

Young chimpanzees learn their communication style from their mother and maternal relatives, but show little similarity to the communication behavior of their father and paternal relatives, according ...

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 ...

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 ...

WASHINGTON, March 13 (Reuters) - Bonobos for years have had the reputation of being the cool hippies of the simian world, with a "make love, not war" ethos, in contrast to their belligerent cousins, ...

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