No two people in the world have the same color eyes. Experts weigh in on the genetics that cause the rarest eye color in the world...plus, what can cause our eye color to change.

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 ...

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 ...

Do you have blue eyes? We talked to experts to discover curious facts about baby blues. Like, are all blue-eyed people related?