Why do the characters in Dune have those glowing, deep blue eyes? It’s not sci-fi eyeliner—it’s something far more powerful.

Several genetic markers contribute to our final eye color shade. A baby born with blue eyes can have brown eyes by their 1st birthday.

Humans that call the Tibetan Plateau home are evolving right before our eyes, and scientists are watching as it happens.

New research has found that men who carry a common genetic variant are twice as likely to develop dementia in their lifetime ...