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

Add Yahoo as a preferred source to see more of our stories on Google. A famous chimpanzee community in Uganda split into two rival factions after years of social strain, giving scientists a rare look ...

Chimpanzee neighbors turning into mortal enemies wasn't what researchers expected to document in Uganda's Kibale National Park—but that's exactly what's unfolded among two clusters of the Ngogo chimps ...