Humans aren't the only species that can pretend, a study shows. Scientists offered a bonobo imaginary juice and grapes in a ...

In a playtime experiment, researchers found that our closest living relatives have the capacity for make-believe, too.

Scientists tested a bonobo called Kanzi and found evidence he could understand pretend objects, suggesting imagination may ...

Apes, like humans, are capable of pretend play, challenging long-held views about how animals think, a new study suggests.

The ability to imagine -- to play pretend -- has long been thought to be unique to humans. A new study suggests certain apes may be able to as well.

The findings indicate that bonobos—or at least that Kanzi had—have the capacity to imagine, says Christopher Krupenye, an assistant professor of psychological and brain sciences at Johns Hopkins and ...

Past anecdotal observations have hinted that great apes play pretend. But now, experimental research shows that our closest living relatives can keep track of imaginary objects.