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 that allows us to understand each other's emotions ...

Facial expression may get a lot of attention, but to understand the full range of human communication, we have to look beyond the face. Facial Palsy Awareness Week is March 1-7. Learn about facial ...

This 1936 portrait by Dorothea Lange shows Florence Owens Thompson with several of her children in a photograph known as "Migrant Mother." Source: Dorothea Lange/Public Domain Photographers and ...