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

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

Botox is often discussed as a single treatment, but its effects depend almost entirely on where it is placed and which ...

Every time we show facial gestures, it feels effortless, but the brain is quietly coordinating an intricate performance.

Facial mimicry refers to automatic copying of another person’s facial expressions. When one person smiles, a listener may ...

New preliminary data offers insight into why we may find dogs to be so darn lovable. A study found that dogs generally have faster facial muscles than wolves—muscles that allow them to quickly react ...