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 ...

New research shows facial expressions are planned by the brain before movement, not automatic emotional reactions.

When I started horse riding lessons at the age of eight, I was told that if a horse had its ears forward that was a good sign, and if horse had its ears back it wasn’t happy. Those riding lessons ...