Previously thought to be an exclusively human skill, knowing when a friend could use a clue appears to be a talent we share with our primate cousins. These findings reveal cognitive connections ...

People are constantly looking at the behavior of others and coming up with ideas about what might be going on in their heads. Now, a new study of bonobos adds to evidence that they might do the same ...

Scientists now know how many bonobos live in one of the largest pristine tropical forests, a place believed to be the world's stronghold for the endangered species. The research estimates that between ...

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 ...

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