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 ...

The Ngogo chimpanzees in Uganda have divided themselves into two main factions, and dozens of deaths have been recorded since the split in 2018. A new study details the unprecedented violence, which c ...

The aggressive chimp in us However, one disturbing characteristic stands out. Chimpanzees "go ape" and attack each other in coordinated assaults. Dutch primate expert Frans de Waal's 1982 book ...

A new study of our two closest living relatives finds that, at least in zoos, bonobos may not be more peaceful than chimpanzees. Bonobos (Pan paniscus) are only found south of the Congo River in the ...

For years, anthropologists have watched wild chimpanzees "go ape" and attack each other in coordinated assaults. But until now, scientists were unsure whether interactions with humans had brought on ...

AMES, Iowa – Shocking is one word Jill Pruetz uses to describe the behavior she witnessed after a chimp was killed at her research site in Fongoli, Senegal. The fact that chimps would kill a member of ...