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 ...

Scientists estimate chimps’ alcohol consumption for the first time, and find they seem to prefer boozier fruit.

Chimps and other apes have been observed making more than 80 meaningful gestures. Three theories have tried to explain why. By Carl Zimmer In the 1960s, Jane Goodall started spending weeks at a time ...