Add Yahoo as a preferred source to see more of our stories on Google. Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a ...

All modern-day pooches, from beefy Newfoundlands to scrawny Salukis, are descended from an ancient population of domesticated gray wolves. Despite the 20,000 or so years that have passed since, a new ...

Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the discovery announced on Monday by U.S. scientists, who were surprised to ...

While domesticated dogs offer companionship and playful antics, some retain remarkable connections to their wild ancestors. Their instincts, how they interact with their surroundings, and even their ...