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 ...

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 ...

The doggy day care manager, who has been there for 15 years, said she is always amazed at canines with two different eye colors.

American author and humorist John Kendrick Bangs wrote: "I have no dog, but it must be / Somewhere there's one belongs to me. / A little chap with wagging tail, / And dark brown eyes that never quail, ...

Humans may perceive dogs with dark eyes as younger and more friendly, according to new research. M.A. Josephson via Getty Images Scientists have long known that domesticated animals tend to share ...