In the face of threats from other groups, humans, chimpanzees, and a selection of other species get closer to their own. Now an international team led by Kyoto University has shown that even our more ...

A link between outgroup threats and ingroup cohesion has been considered since the time of Darwin to be an adaptation for group-based competition. During the years since, studies of all sorts -- from ...

We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that existed in the common ancestor of humans and apes six million years ago. Humans ...

Juvenile bonobo embraces a distressed companion during post-conflict consolation. Psychologists from Durham University, UK, observed the behaviour of 90 sanctuary-living apes to establish whether ...

Apes orphaned by the illegal trade in bushmeat and pets can overcome trauma and develop social abilities like those of their mother-reared peers. A new study led by Durham University, UK, looked at ...