Add Yahoo as a preferred source to see more of our stories on Google. You prepared thoroughly for a presentation at work, and now you’re dropping wisdom to a packed room. Much as you expected, your ...

Humans are social beings, hardwired to navigate complex interactions through signals that communicate our internal states. Of all the channels we use to perceive emotion, the human face is arguably ...

Facial expressions arise from brain networks that encode slow, context-rich meaning and fast muscle control on different time scales, keeping smiles and threats socially precise.

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 ...

After a rough night's sleep, your ability to recognize whether those around you are happy or sad could suffer, according to a study led by a University of Arizona psychologist. The research, published ...

Credit - Photo-Illustration by Chloe Dowling for TIME (Source Images: Klaus Vedfelt—Getty Images, Tim Robberts—Getty Images, Kelvin Murray—Getty Images, Robert Recker—Getty Images, Howard ...