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.

Great apes copy facial expressions of other apes with exact detail, a behavior that may reveal how human communication first ...

Living alongside humans changed both how dogs behave and how they look. Research shows that domestic dogs developed a small ...

Have you ever looked at your dog’s face and thought that there definitely is a human soul trapped in a dog body? Indeed, the dog-human bond is something of an anomaly in how easily two completely ...

Emotions are expressed through facial expressions. Just by closely observing a partner's face, one can prevent minor arguments from escalating into world wars. Anna Zamansky, a professor at the ...