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.

Dogs have evolved face muscles that move much quicker than those of their wolf relatives – which means their faces move in a way reminiscent of human ones. These faster facial muscles allow for better ...

A new study suggests that coyotes, like the ones seen here, have the same face muscle as dogs that's used to make pleading "puppy eyes." jefferykarafa via iNaturalist under CC BY-NC 4.0 The adorable ...

Researchers have pinpointed the area of the brain responsible for recognizing human facial expressions. It's on the right side of the brain behind the ear, in a region called the posterior superior ...