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 ...

Getting greeted at the door by a wagging tail is one of the purest pleasures of owning a pooch. No matter how big, small, or fluffy your dog’s tail is, they will move it around, often at great speed!

(WHTM) — All dog owners know the scene that plays out when they come home: they come home and see their pup standing by the door and wagging its tail rapidly ready to greet you. But why do dogs wag ...