Wolf DNA seems to have influenced the size, smelling power and even personality of modern dog breeds, scientists said.

The wolf DNA isn't left over from when dogs and wolves diverged; instead, it most likely came from interbreeding in the past ...

The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian ...

A team of researchers from the American Museum of Natural History and the Smithsonian National Museum of Natural History ...

U.S. scientists analyzed the DNA of numerous modern-day dog breeds, and found that two-thirds of pet dogs have traceable wolf ...

For centuries, the wild spirit and profound beauty of wolves have captured the human imagination. These apex predators are admired for their intelligence, strength, and social structures. If you’re ...

Some massive breeds such as the St. Bernard completely lack wolf DNA, but the tiny Chihuahua retains detectable wolf ancestry ...

The scientists found that 64.1% of modern breed dogs carry wolf ancestry due to genetic crossbreeding nearly 1,000 ...

Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient ...

When most people picture ancient dogs, they imagine something wolf-like—sleek, long-snouted, and built for the hunt. But a ...

The data showed that a dog with a similar weight to a wolf had a brain volume about three-quarters the size of the wolf’s.