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

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A ...

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

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

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

On average, terriers, gundogs, and scent hounds have the least wolf ancestry. While some large guardian dogs have high wolf ancestry, others including the Neapolitan mastiff, bullmastiff, and the St.

Imagine a time thousands of years ago when wild wolves roamed near human camps, their eyes gleaming in the firelight. These ...

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 ...

Animal rescues often emphasize spaying and neutering your dogs, especially amid a massive overflow of dogs and puppies in shelters across the United States. When female dogs are in heat, they attract ...

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 ...

Up until the mid-1990s, the ecosystem of Yellowstone National Park had turned into a gloomy, barren land, overgrazed and overpopulated by elk. But ever since wolves were reintroduced in the park, the ...

New research is improving scientists’ understanding of gray wolf behavior. A study recently published in the journal Current Biology shows that wolves can abandon their dens with their young in tow to ...