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

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

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

Their new study, published in PNAS, examined 2,693 genomes from modern and ancient dogs and wolves. It shows that 64% of dog ...

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication has ...

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

Among dogs without a history of purposeful crossbreeding, samples from two Grand Anglo-Francais Tricolore hounds led the way, ...

Most modern dogs carry traces of wolf ancestry that subtly influence their behavior, appearance, and environmental adaptations.

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

The six Mexican wolf pups were only 10 days old when they made their unusual journey from the Endangered Wolf Center in Eureka, Missouri. There are fewer than 300 Mexican gray wolves in the wild. They ...

When a dominant male dies or is kicked out by an intruding male [the] new lead male will usually adopt young pups.” “It ...

Rowan and Cedar weighed only about a pound apiece at birth. Now, at about 3 months of age — which is toddlerhood for wolf pups — they weigh in at more than 30 pounds each. Rowan and Cedar, two wolf ...