A rhesus macaque surprises attendees at the India Open, roaming the stands and observing matches amidst empty galleries.

Monkey experiments hint at a "motivation brake" pathway between two brain regions. Manipulating it may lead to new treatments ...

In humans, personality similarity between partners can lead to better compatibility and well-being. Is the same true for ...

Johnny Sequoyah, star of Paramount's killer monkeys vs. teenagers project "Primate," tells all about her chimp horror hit.