AMES, Iowa – Shocking is one word Jill Pruetz uses to describe the behavior she witnessed after a chimp was killed at her research site in Fongoli, Senegal. The fact that chimps would kill a member of ...

Two new studies hint at the evolutionary roots of human language. The studies found that chimps use rhythmic structures and complex call combinations to communicate. This next story could not be ...

KIBALE NATIONAL PARK, Uganda -- The man tracking chimpanzee movements in a rainforest is required to follow the primates wherever they go — except up in the trees. Onesmas Ainebyona stalks the chimps ...

Al and Kamaka, two old friends who are both in their 50s, are experiencing a whole new world. Part of what's novel: females. "Right off the bat, they were just enamored with the ladies in the group," ...

KIBALE NATIONAL PARK, Uganda -- The man tracking chimpanzee movements in a rainforest is required to follow the primates wherever they go — except up in the trees. Onesmas Ainebyona stalks the chimps ...

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 ...

Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind. Behind the scenes at a Chicago zoo, chimpanzees who spent years ...

In 2014, University of California, Berkeley biologist Robert Dudley wrote a book called The Drunken Monkey: Why We Drink and Abuse Alcohol. His controversial “drunken monkey hypothesis” proposed that ...

Scientists estimate chimps’ alcohol consumption for the first time, and find they seem to prefer boozier fruit. Male chimpanzees at the Taï National Park in Côte d’Ivoire are shown eating. A new study ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

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 ...