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 ...

Gray and green eye colors are the rarest in the U.S., although extremely rare red color can occur with albinism. Eye color is determined by the amount of melanin in the iris, with more melanin making ...

Eyes, those fascinating windows to our souls, are also incredibly varied. From a vibrant blue to a warm brown, each shade seems to have its own story to tell. Of all the colors that exist, one shade ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. They say the eyes are "the window to the soul" and there's certainly ...