As one of our closest biological relatives, some primates can appear eerily similar to humans. But our different interpretations of facial expressions can be a misunderstanding capable of endangering ...

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.

If you were to travel anywhere in the globe -- even to visit remote tribes who have scant contact with the larger world -- would people be able to read your emotions from your facial expressions ...

Researchers have pinpointed the area of the brain responsible for recognizing human facial expressions. It's on the right side of the brain behind the ear, in a region called the posterior superior ...

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 Kingsnorth—Getty ...