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

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

"I've known many of them for their entire lives. And now I'm watching them kill each other," says one researcher.

Researchers who observed a murderous conflict unfolding in a once-unified group of wild chimpanzees say there are parallels ...

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

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