Every dog owner knows how hard it can be to say no to "puppy-dog eyes," but a new study shines light on how canine facial expressions evolved and why humans are able to understand them so well.

Forget expensive fillers; the secret to maintaining a lifted, firm jawline and rested expression starts in your kitchen ...

The muscles that allow for the "puppy-dog eyes" in domestic dogs is undeveloped in wolves, suggesting that the adorable look evolved to captivate humans. (Pictured: The author's dog, Smoky.) Courtesy ...

Coyotes, like domestic dogs, possess the ability to create the "puppy dog eyes" expression, a facial feature long thought to have evolved exclusively in dogs due to domestication, according to a new ...

The cheek puff exercise is simple yet effective for toning the cheeks. For this exercise, fill your cheeks with air like a ...

One area of the brain appears to be responsible for recognizing facial expressions, a new study finds. Ohio State University researchers monitored the brain activity of 10 college students as they ...

A new study challenges the hypothesis that 'puppy dog eyes' evolved exclusively in dogs as a result of domestication. New research from Baylor University reveals that coyotes, like domestic dogs, have ...

Recognizingfacial expressions is something that we do naturally, without anythought. However, whenever we smile or frown, or express any numberof emotions using our faces, we move a large number of ...