For years, two sets of chimpanzees lived as one in Uganda’s Kibale National Park — grooming, interacting and patrolling their territory in a cohesive community. Then suddenly, one set charged the ...

What you need to know: Villagers call for protection after chimpanzee injures child. Fear and grief have resurfaced in Karuswiga Village after a chimpanzee attacked and critically injured a ...

A once large and peaceful group of chimpanzees in the western forests of Uganda has now split into two, causing a rare “civil war” among the primates.

Charla Nash arrived at Sandy Herold’s house as she usually did. They’d been close friends for years. Little did she know this visit would change her life forever. As soon as Nash stepped inside, ...

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