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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The Iditarod is the longest annual sled dog race– covering over ...

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 ...