The first well-observed "civil war" in wild chimpanzees reveals that shifting social ties alone can fracture a group, ...

New study describes what may be the first case of a unified community of chimps turning on itself ...

Then one faction began killing their former group mates on the other side, researchers write today in the journal Science.

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

A chimp group’s success may have led to its violent downfall, a new study suggests.

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

But the case was considered an anomaly, although there is genetic evidence suggesting this kind of split is a rare event ...

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

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

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, ...

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, the chimpanzees. But is this ...