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

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia.

Ancient wolves lived with people on tiny Baltic island. Their bones show shared food and long contact that hints at early ...

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.

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

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

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

A new study shows that diversity in dog breeds came around 11,00 years ago, much earlier than the Victorian period.

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

A new video shows wolves may be smarter than we think. Are they smart enough to use tools? And are they getting smarter?

There has been another encounter between a wolf and people in the Netherlands. Last weekend, a wolf approached people with ...

Every family dog carries a long evolutionary story in its cells, one that traces back to gray wolves even if the animal on ...