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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Greenland sled dogs can trace their origins back nearly 10,000 years. In a new study published July 10 in the journal Science, ...

Many dog breeds are noted for their personalities and behavioral traits, from the distinctive vocalizations of huskies to the herding of border collies. People have worked to identify the genes ...