Think you can keep a straight face? These hilarious cats are here to test you! From unexpected fails to goofy expressions, this video is full of pure comedy. Hunter found alive after going missing for ...

When you are angry, do you scowl, cry or even laugh? To what extent do your facial movements depend on the situation you are in — whether you are in a formal meeting, say, or at home with your family?

Cats can use hundreds of facial expressions to communicate, a new study reveals. Over the course of a year, researchers recorded a total of 276 distinct facial expressions used among a colony of 50 ...