All kittens are born with a deep blue eye color that's really quite stunning, but that blue eventually morphs into their ...

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to dogs, you've probably noticed that most of them have brown eyes, which is why meeting one sporting a different ...

A cat’s eyes have a way of holding your attention longer than you expect. You catch the look, pause, and suddenly you are fully focused. Some glow in low light, some come in colors that feel almost ...

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 ...

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

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Eye color comes down to a pigment ...

When it comes to dogs, you've probably noticed that most of them have brown eyes, which is why meeting one sporting a different shade really makes them stand out. While you've probably seen a few pups ...