While they don't write love letters, there’s no doubt animals form deep and enduring friendships and use many different ways ...

Blushing is one of those weird little things the body does that we rarely stop to think about—until we feel our cheeks ...

A new study suggests that primate facial expressions may not just be reflex ...

No matter what kind of day you're having, it's almost guaranteed that it could be made better with some hilarious memes. And ...