If you own a dog, you’ve probably seen him yawn. A lot. And while a dog yawning is certainly adorable, you may have also wondered, “Why do dogs yawn so much?” Do they yawn for the same reason humans ...

Yawn next to your dog, and it may do the same. Though it seems simple, this contagious behavior is actually quite remarkable: Only a few animals do it, and only dogs cross the species barrier. Now a ...

Yawning, an act so simple yet intriguing, holds a peculiar secret—it's contagious not just between humans but between humans and dogs as well. In our book, The Purest Bond: Understanding the ...