Former President George W. Bush’s now-viral facial expressions during Donald Trump’s second inauguration have left the internet humored. On Monday, the 43rd president attended Trump’s inauguration ...

Humans have sophisticated neural processing machinery for perceiving faces, and we wanted to explore how the human brain’s processing of human and dog facial expressions proceeds in time ...

This story appears in the October 2017 issue of National Geographic magazine. Let’s face it: When it comes to expressions, a horse is no one-trick pony. Recent findings have revealed that our ...

If a mouse is in a lot of pain, an experienced handler may see it in the animal’s facial expression—its narrowed eyes and bulging cheeks. But, subtler facial expressions may be more difficult to match ...

Facial expressions are a universal language of emotion, instantly conveying happiness, sadness, anger, fear, and much more. Reading these expressions is essential to compassion and empathy. Take this ...