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 ...

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 ...

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 ...

In addition, the study uncovered important adaptations that dogs have accessed through wolves, including: enriched wolf ancestry at olfactory receptor genes in village dogs, who depend on the ability ...

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, ...

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 US scientists, who were surprised to find ...

Both the Czechoslovakian wolfdog and the chihuahua have some recent wolf DNA, a new study suggests. cynoclub via Getty Images If you’ve ever joked that your lap dog was ferocious or your furry friend ...

A recent study revealed that a majority of modern-day dog breeds had close contact with wolves several thousand years ago Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE ...

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 ...