"Dog is man's best friend" may be an ancient cliché, but when that friendship began is a longstanding question among scientists. A study led by a University of Arizona researcher is one step closer to ...

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.

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 ...

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, ...