The tiny, feisty Chihuahua is a relic of sorts. As European settlers arrived in the Americas 500 years ago, their dogs quickly replaced native canines, obliterating detectable genetic traces of ...

Ancient Greeks had a great love and respect for their dogs, cherishing them as companions, protectors, and hunters.

A study published on July 10 in the journal Science maps the path of Greenland sled dogs from their ancient origins to the present day. Researchers sequenced the genomes of 92 dogs from regions of ...

You’ve heard of tales as old as time—now meet the tails as old as time! The oldest dog breeds in the world have been around for thousands of years, serving as hunters, guardians, and companions long ...

The human genome is made up of 23 pairs of chromosomes, the biological blueprints that make humans … well, human. But it turns out that some of our DNA — about 8% — are the remnants of ancient viruses ...

In 2016, a polar bear was filmed gently pawing a husky at a sanctuary in Churchill, Canada. The clip spread fast and was framed as a rare moment of peace between predator and prey. A few days later, ...