Is your dog suddenly biting or nibbling their tail? Tail biting is often harmless, but in some cases it can also be a sign that your dog’s uncomfortable or trying to tell you something. Understanding ...

Science is always providing new information that allows us to interpret the behaviors of dogs, or to reinterpret behaviors that we thought we understood well—such as the meaning of a dog's wagging ...

Find out why your dog wags its tail while sleeping, what it means, and if it’s normal. Learn about this sleep behavior and what to watch for.