A series of stunning findings about great apes’ mental capabilities in recent years has transformed how we see our closest relatives ...

Cooperation is a pillar of human society, promoting an exchange of skills and knowledge between different individuals and ...

Kanzi, a bonobo, demonstrated symbolic pretend play by correctly tracking the location of imaginary juice in controlled experiments, showing cognitive abilities previously thought to be unique to ...

Chimpanzees and bonobos structure their social relationships in similar ways to humans, according to a new international study led by researchers from Utrecht University and Universidad Carlos III de ...

Can animals play pretend? It took a tea party with a bonobo to find out. In a set of experiments, a team of researchers offered a bonobo named Kanzi invisible juice and grapes, presenting the tests as ...

As humans have wondered about their own capacities for thought and imagination, so too have they wondered about the mental faculties of animals. What is the inner life of, say, a lower primate like?

(CNN) — Children love to play pretend, holding imaginary tea parties, educating classrooms of teddies or running their own grocery stores. Now, a new study suggests that such make-believe play is not ...

A new study examining the muscular system of bonobos provides firsthand evidence that the rare great ape species may be more closely linked, anatomically, to human ancestors than common chimpanzees.