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

On average, terriers, gundogs, and scent hounds have the least wolf ancestry. While some large guardian dogs have high wolf ...

A wild wolf in British Columbia was recorded pulling a crab trap out of the ocean, potentially marking the first time the species was observed using tools.

Today’s wolves and dogs share a common ancestor. But a deeper look at their genes reveals that interbreeding since dogs were domesticated 20,000 years ago hasn’t been as rare as scientists assumed.

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural ...

An arctic wolf stands alert in a snowy landscape, its thick white fur catching the cold light of winter. It gazes into the ...

Those tiny, fluffy dogs walking down the street may look cute but beware -- they probably have some wolf in them. They found ...