Humans not only recognize emotions on the faces of monkeys and apes but also unconsciously mimic those expressions.

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 ...

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, ...

Humans are way more efficient than other primates in one surprising area–sleep. Whereas we need only around seven hours per night to keep our brains ticking over smoothly, some lazy lemurs and idle ...