That isn’t usually supposed to happen.

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 ...

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 ...

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 ...

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication has changed dogs dramatically from their wolf ancestors, but most do still have ...

Three large dogs found roaming the streets of a Lancashire town the day before Halloween have been confirmed to be wolf-dogs after a rescue centre tested their DNA. The dogs were found abandoned in ...

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 ...