Dogs have a very special bond with humans. They were the first mammal to be domesticated, and we have fashioned them into many different shapes and sizes to fulfil different roles. Wherever you find ...

The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

Some dog breeds are so clever and expressive, they almost act like humans. From dogs with human-like behavior to pups that seem to understand your emotions, these breeds are full of personality.