Most prehistoric Europeans had dark skin, hair and eyes well into the Iron Age, about 3,000 years ago, new research finds.

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like individual fingerprints, making our eyes two of the most distinctive parts ...

Researchers have found that the color of our eyes may hold significant insight into our behaviors, mental health, and ...

A 7,000-year-old man who was discovered in Spain had blue eyes and dark complexion. Results from an analysis of DNA taken ...