Watch a dog in full play mode and you will catch it: a sudden, sharp sneeze, sometimes a rapid two or three in a row, and ...

For decades I've thought about how a simple behavior such as stretching and crouching on the forelimbs could become a play invitation signal in dogs and other animals. Many people also have asked me ...

In the mid-1800's, Charles Darwin postulated that dogs could think and even communicate with each other, guided by certain rules of morality. Other scientists scoffed at the idea until a recent, ...