It's no wonder these pups are man's best friends!

It gives new meaning to dog years. Various types of sled dogs have been used by humans across the Arctic for almost 10,000 years, but new research reveals one particular type to be the oldest ...

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

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

Greenlandic sled dogs, also known as Qimmit, play while resting. Markus Trienke via Wikimedia Commons under CC-BY-SA-2.0 Man’s best friend has been our faithful companion for thousands of years.