Primate facial expressions form an integral component of nonverbal communication and social interaction, underpinned by a complex arrangement of facial muscles. Recent interdisciplinary studies have ...

A new study suggests that coyotes, like the ones seen here, have the same face muscle as dogs that's used to make pleading "puppy eyes." jefferykarafa via iNaturalist under CC BY-NC 4.0 The adorable ...

There’s a lot we don’t know about gorillas. This is due to the lack of legal dead gorillas to dissect. And that means many details of our shared family tree remain unclear. For instance, we used to ...

While genetics play a role in youthful appearance, researchers have discovered that people who look decades younger have ...

Imagine watching a video of a chimpanzee. The ape pulls its lips back in a wide, playful grin. Without realizing it, the corners of your own mouth twitch upward. You smile back. Scientists call this ...

In a recent study published in the journal Informatics, researchers investigated the use of advanced machine learning methods to recognize facial expressions as indicators of health deterioration in ...