Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A new study finds chimp and ...

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.

Recent scientific discoveries include a new dinosaur species in Brazil, reassessment of bonobo behavior, and evidence of Roman use of human excrement in medicine. The dinosaur, Dasosaurus ...