At a pretend tea party, a bonobo named Kanzi did something so unexpected that it’s reshaping how scientists think about ...

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.

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

Researchers set up a series of tea party-like experiments with Kanzi, a language-trained bonobo who had provided decades ...

Humans are not the only species to combine concepts to build more complex meaning, a new study found. Bonobo chimpanzees combine calls in a manner similar to how humans structure words to make ...

When people find out we study chimpanzees, they usually ask about their dark side. “You know chimpanzees kill each other, right?” or “Aren’t they the only animals besides humans that wage wars?” ...