Researchers have documented a permanent split between the largest-known group of wild chimpanzees, which erupted into a ...

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

Chimpanzees possess a rare combination of intelligence, strength, and social coordination that can quickly turn conflict into ...

An unusually large troop of chimpanzees displayed cooperation and social cohesion for decades, until something shifted and ...

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

Learn how the world’s largest known chimpanzee group split in Kibale National Park, Uganda, and why the divide led to deadly violence between former allies in a rare chimpanzee “civil war.” ...

Chimpanzees are among the most intelligent primates, but that intelligence is paired with extreme physical strength and aggression. Documented attacks show that they can inflict severe and sometimes ...

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 chimpanzees.

Historically considered a more peaceful species than their chimpanzee cousins, bonobos are actually just as aggressive -- but target their ire most often at males, according to a study published ...