Facial expressions may appear spontaneous, but new research shows the brain begins preparing them long before the face ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth ...

Facial expression control starts in a very old part of the nervous system. In the brain stem sits the facial nucleus, which ...

Cats have 276 distinct facial expressions, a discovery that turns on its head the popular belief that our pet felines are aloof and just not that into us. In fact, cats likely evolved these various ...