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 ...

When the wind bites and the sidewalks turn icy, outdoor walks can be hard to keep your dog entertained indoors. But cold ...

When I think about why dogs do something, I try to imagine what motivates them. What does a dog get out of playing with trash? As a veterinarian and a professor who teaches college students about ...