Scientists find wolf DNA in most modern dog breeds, revealing widespread ancestry that shaped size, behavior and adaptation.

Dogs are among the most popular choices when looking for furry companions. However, the dog breed of choice varies from person to person. Recent U.S. News & World Report research noted that popular ...

The chihuahua is the most popular pup among the nation’s 49 million households with dogs. (iStock.com) There’s a new top dog in town: The chihuahua is Washington’s most popular dog breed, according to ...

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.

Arizona’s state dinosaur is the Sonorasaurus. The state neckwear is the bola tie, and the state firearm is the Colt single-action Army revolver. Look through the Arizona State Library archives, and ...

Washington’s top dog may not be the one you’d expect because, according to a recent study by U.S. News & World Report, the chihuahua ranks as the most popular breed in the Evergreen State. The five ...

There's a new top dog in town: The chihuahua is Washington's most popular dog breed, according to U.S. News & World Report. The chihuahua — which makes up 4% of dogs in the country — is also the most ...