I'm not sure I've ever met a kitten I didn't immediately fall in love with. As soon as I laid eyes on both of my cats (who were each just eight weeks old when I adopted them), it was love at first ...

Green is the rarest eye color, according to the American Academy of Ophthalmology (AAO), found in just 2 percent of the world ...

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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Not to be dramatic, but this dog’s eyes are giving full-on haunted doll energy. A viral video is making the rounds of a ...