Eye color is a complex genetic trait determined by pairings of genes passed on from each parent. Scientists once believed eye color was determined by a single gene, but advances in genetic research ...

“The eyes are the window to the soul,” notes a timeless quote. And while your eyes also bring the world your way, the origins of eye color are fascinating and even mysterious. To help lay out the ...

Human skin, hair, and eyes come in a huge variety of colors, but until now, scientists have only known a fraction of the genetic diversity driving this variation. Now, new research finds many dozens ...

What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics behind it. It’s said that our eyes are the mirrors of our souls, so it makes sense ...

That mirror you look into every morning is revealing more about your pain tolerance than you ever imagined. The same genes that determine whether you have brown, blue, green, or hazel eyes are also ...