Much like their human cousins, baby macaques crave comfort.

Punch, a monkey that went viral after he was abandoned by his mother in a Japanese zoo, is reminiscent of a foundational attachment theory experiment ...

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

COLUMBUS, Ohio – Have you ever wondered what kind of video content would most grab the attention of monkeys? A new study of long-tailed macaques suggests the monkeys seem to like some of the same kind ...

Punch the Japanese macaque's viral story broke the internet's heart. But why do we fixate on a lonely monkey with a stuffed ...