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 ...

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 every weekday. Terms of Service and Privacy Policy. While that chihuahua might seem about as similar to a wolf as a ...

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, ...