Coyotes turn out to have face muscles that look capable of making that big-eyed, sad-puppy face that dogs have used to melt human hearts for eons. That discovery supports a rethink of humans’ history ...

Add Yahoo as a preferred source to see more of our stories on Google. I always feel bad when I leave my dogs. The looks they give me as I'm closing the door always break my heart. Whether I'm going ...

Dogs have a talent for looking heartbreakingly mournful at the exact moment their humans are laughing, celebrating or simply feeling good. That contrast can feel jarring, as if your joy is somehow ...