Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This ...

Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives.

Bonobos for years have had the reputation of being the cool hippies of the simian world, with a "make love, not war" ethos, ...

The stereotype of violent chimpanzees and peaceful bonobos may be wrong, according to new research comparing aggression in both apes.

A new study of chimpanzee and bonobo groups at zoos reveals similar levels of aggression. However, scientists found stark sex-based differences between the species.

It’s not unusual for chimpanzees to fight. Chimpanzee society is naturally aggressive and even violent. However, visitors at the Los Angeles Zoo probably didn’t expect this chimpanzee brawl to look ...

For decades, scientists believed that bonobos, one of our closest living relatives, were among the most peaceful primates.

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 ...

Asharq Al Awsat 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 ...