Lucy's brown hair appears a little messy, but her big blue eyes take over the photo ... Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what ...

Normally, a person’s pupils naturally widen (or dilate) in low-light environments to allow more light into the eye. However, in their new study published in the peer-reviewed journal Attention ...

People can read intention in each other's gazes, recent research finds, lending evidence to this well-known assumption about human communication. The study reveals how humans use their eyes to ...