What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics behind it.

Learn more about babies’ changing eye colors, why they’re born with blue eyes, and how genes play a role in eye color.

Base editing corrected a mutation that causes macular degeneration, highlighting the potential of gene therapy to treat ocular diseases.

Blue-eyed folks may be rarer, but their eye color has a fascinating history. All blue-eyed people can trace their ancestry back to a single genetic mutation that occurred thousands of years ago in ...

We already know how much emotion the eyes can show, but it turns out that they also play a role in our personalities. According to research, your eye color says more about your personality than ...

A deeper understanding of how DNA changes over generations helps scientists learn why people differ and how diseases develop.

A 2008 study was the first official research noting that a single genetic mutation from less than 10,000 years ago kicked off blue eyes. Fifteen years later and we're still enamored with the ...

Learn the definition of central heterochromia, a condition that involves eye color, and why it happens.

Eiberg, Hans, et al. "Blue Eye Color in Humans May Be Caused by a Perfectly Associated Founder Mutation in a Regulatory Element Located within the HERC2 Gene Inhibiting OCA2 Expression." ...

There are no hard and fast rules, but a baby's eye color can change over the first few months to a year or more. Newborns sometimes have blue or slate-gray eyes, for example, that gradually turn green ...