Long known to be the peaceful close relative of humans, scientists have discovered that the endangered bonobo is more complicated than previously believed. A new study has observed male bonobos ...

Chimpanzees are strong and can be aggressive, displaying both territorial and social violence. Chimpanzees, our closest living relatives in the animal kingdom, are remarkable creatures known for ...

Danielle Monaghan said she was "petrified" the chimp might "attack or take the kids". But the mother of two said the animal was "not aggressive" and "just watched" and therefore the experience had ...