Yawning reverses cerebrospinal fluid flow, boosts brain blood surge, and may aid cooling and waste movement, challenging the idea that it signals boredom alone.

In a new study, yawning has been shown to push the brain’s clear fluid in the opposite direction of a deep breath.

Although yawning seems like a small, everyday action, recent studies have found that it causes an unexpected reaction in the ...

Watching someone else yawn can be a one-way ticket to doing the same. Now, research finds that the same is true for dogs — but not puppies. In fact, dogs become more susceptible to the contagion of ...

Dogs catch yawns from their sound alone, new research indicates. They also catch their owner's yawns easier than those from others, supporting the theory that contagious yawns are empathy-based and ...

Call me oblivious, but I never realized yawns are contagious until my best friend clued me in toward the end of high school. I was in the middle of trying my absolute hardest to keep my mouth shut in ...

Sometimes our pets get really dramatic when they're hungry or tired, and they totally overreact to things they normally wouldn’t. For Winifred the giant Flemish rabbit, her drama comes in the form of ...

Dogs can catch yawns from humans, regardless of whether they are familiar with the person, according to a study. The authors of the paper say their findings question the idea that contagious yawning ...