Punch, the viral baby monkey, is a Japanese macaque. Is this the same species of nonnative monkeys found in Central Florida?

An abandoned baby macaque’s story reveals what family rejection does to the brain—and how new attachments can help us heal.

His viral stardom and the scramble for stuffed orangutans show how quickly — and cravenly — trauma becomes trend.

It’s a battle for resources in the mangrove forests of the Sundarbans in India. In this wild place, rhesus macaque monkeys and massive monitor lizards may come face to face in search of food. Who wins ...

Harlow’s discovery was significant because it completely reoriented the dominant behaviourist view of the time. This dominant ...