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

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

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

Humans pay enormous attention to lips during conversation, and robots have struggled badly to keep up. A new robot developed ...

Today in news-that's-not-really news: Science officially confirms flirting works. (Science = a study conducted by researchers from the University of Kansas). But actually, there's more to the okay/duh ...

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 ...

Whether at a birthday party in Brazil, a funeral in Kenya, or protests in Hong Kong, humans all use variations of the same facial expressions in similar social contexts, such as smiles, frowns, ...

Understanding facial expressions is key to decoding human emotions and intentions, especially when identifying untrustworthy individuals. Facial cues often reveal underlying feelings not expressed ...