What we know about yawning, from why we do it to why it's contagious New research shows contagious yawning is not only common in other species, and can happen between species, it can even be ...

Yawning seems like such a simple act, yet it holds surprising power over us. Just watching someone yawn — even a stranger — can suddenly trigger the irresistible urge to yawn yourself. Why ...

Yawning robot made chimps want to get ready for bed The researchers began the experiment by creating a life-sized silicon human head equipped with a motorized, movable mouth.

Discover how contagious yawning reveals your true emotional connections and why you mirror some people's yawns but not others.

Yawning isn’t just about sleepiness. You can yawn when you’re bored or even overstimulated. In these moments, your brain might slow down, and a yawn helps snap you back to attention.

Seeing or hearing someone yawn can make you yawn. This phenomenon is not limited to humans; some animals experience contagious yawning, too. But why is yawning contagious? Brain cells called ...

This charming adult North American river otter was just awakening from a snooze and gave a huge yawn before heading out in search of breakfast along the Fenney Nature Trail. Thanks to Julie Walfield ...

Humans aren't alone when it comes to yawning — all vertebrates do it. But why? An expert explains the likely reason behind this "evolutionarily ancient" act.

Discover the truth behind yawning: Is it a result of oxygen deprivation in the brain or simply a reflexive action? Learn more about the causes and triggers of yawning in this informative article.

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up ...

Does yawning mean our brains aren’t getting enough oxygen? Researchers believe yawning may serve an important physiological purpose. There is no consensus, however, on what that is.