(The Hill) – Monkeys in modern-day Thai forests create stone artifacts uncannily similar to those crafted by early humans — challenging the established narrative of human cultural evolution. A new ...

Observations of Coiba’s tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior? Vanessa Crooks Caught in the act! Capuchin monkeys ...

Scientists have created an embryo-like structure using monkey embryonic stem cells for the first time, part of an effort to better understand early human development and organ formation. The ...

Northern muriquis, which live in the Atlantic forest of Brazil, are one of the most endangered species of monkey in the world. To better understand what goes on in the mating lives of muriquis, ...

Volkswagen employees issued an apology after a test exposed monkeys to diesel fumes while the company was working on studying effects of the exhaust. "We apologize for the misconduct and the lack of ...