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 ...

Most modern dog breeds have small amounts of wolf ancestry from long after dogs were domesticated, according to a new study. The wolf DNA isn't left over from when dogs and wolves diverged; instead, ...

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 ...

Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. While that chihuahua might seem about as similar to a wolf as a ...