Yawning is merely one piece of a puzzle. Practically every animal with a backbone yawns and no one knows why. It could be a deep breath to recharge the lungs, a physiological pause between states ...

New research shows that, like humans, dogs are prone to yawning when they see someone else do it—and they yawn most frequently in response to their owner. Image via Flickr user The Eggplant Animals: ...

Why does my dog sigh, you ask? Well, it's about time you learned to speak your pup's "sigh language." You’re sitting on the couch, minding your own business when you hear a deep, heavy sigh from the ...

Johanna Simkin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...