Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a wolf as a shrub is to a mighty redwood tree, some small breeds like the ...

Add Yahoo as a preferred source to see more of our stories on Google. Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the ...

What’s furry, cute, and may have ancestral ties to ancient wolves? Possibly, your dog. Researchers at the New York-based American Museum of Natural History and the Smithsonian’s National Museum of ...

The gray wolf, also called the timber wolf, is the largest member of the canine family with fur ranging from gray to brown, black or white. Smithsonian's National Zoo and Conservation Biology ...

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A new study, published in Proceedings of the National Academy of Sciences, ...

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 ...

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia. Domesticated species are the plants and animals that have evolved to live ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...