The more we try to understand chimpanzees, one of our closest relatives, the more we find ourselves humbled by the richness and complexity of their lives — and of their intelligence. Today, on World ...

A chimpanzee carries a stick to use as a tool to eat army ants. The chimpanzees insert these tools into the ant nests until the insects climb on the tool and then eat them. / Chimpanzees are the ...

Multiple studies have indicated that wild chimpanzees rely on memory to find ripe fruit, but less has been known about what role memory plays in sourcing foods of animal origin. A recent study ...

Picture a baby chimp clinging to its mother's back, wide eyes taking in everything around it. Just like human babies, these little ones start life completely helpless, relying on their mom for ...