Humans tend to prefer dogs with darker eyes, scientists have found, which could be linked to how they evolved from wolves. Dogs evolved from their closest relatives, gray wolves. Over time, they ...

From the first time I saw Blade Runner and heard Rutger Hauer’s Roy Batty describe “C-beams glittering in the dark near the Tannhäuser Gate,” I’ve wondered what it would be like to see beyond the ...

There are many ways to feel special. Maybe you’re a stellar athlete. Maybe you excel at your job. Or maybe you have a unique physical trait like a rare eye color. Ever wondered if the latter is the ...