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

The world's largest known group of wild chimpanzees has split and been locked in a vicious "civil war" for the last eight ...

Rare chimpanzee “civil war” reveals how social bonds collapse into violence, offering new insight into human conflict origins.

By Will Dunham April 9 (Reuters) - For two decades, researchers observed members of the Ngogo chimpanzee group of Kibale ...

A long-running conflict in a Ugandan park may provide clues to the origins of human warfare, and how to avoid it.

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

Female chimpanzees that forge strong, grooming-rich friendships with other females dramatically boost their infants’ odds of making it past the perilous first year—no kin required. Three decades of ...

At some point in your life you might have seen animals groom each other. This is something very common in chimpanzees, for example. Thanks to decades of work by primatologist Dr. Richard Wrangham and ...