For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about evolution itself.

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 ...

You're introduced to someone and your attention catches on their eyes. They might be a rich, earthy brown, a pale blue, or the rare green that shifts with every flicker of light. Eyes have a way of ...

Cat-like eyes show up in searches everywhere. If the internet is this obsessed with eye color, how rare are green eyes in humans? They’re uncommon enough that seeing them still feels like spotting a ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Find yourself transfixed when you come across green eyes? It's no ...

Add Yahoo as a preferred source to see more of our stories on Google. All eye colors are beautiful in their own regard. You could get lost swimming in the seas of blue eyes or completely captivated by ...

Have you ever locked eyes with someone and wondered how rare their eye color is? While some people have striking blues or deep greens, the truth is that most of the world shares just a few dominant ...

Your eyes can tell you more about your health than you may realize. For instance, your risk of losing your hearing may be ...