Google may one day make our virtual avatars more expressive by tracking our eyes. This is according to a patent published last week in which the company details a system for “Classifying Facial ...

We use others' eyes - whether they're widened or narrowed - to infer emotional states, and the inferences we make align with the optical function of those expressions, according to new research ...

If you've ever wondered how your pooch flashes those "puppy dog eyes" that melt your heart, a new study may provide some answers. The researchers identified certain muscle features that help dogs look ...