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

Most modern dogs have wolf DNA from relatively recent interbreeding. Here's which breeds are the most and least 'wolfish.' ...

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

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

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

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

Dogs evolved from gray wolves, but scientists debate exactly where, when and how many times dogs were domesticated. Ancient DNA evidence suggests that domestication happened twice, in eastern and ...

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A new study of ancient dog DNA shows that people and dogs traveled together across Eurasia for at least 10,000 years.

Whether you own a mix-breed dog or have adopted a mystery-breed shelter pupper, you may be searching for an answer to the question: “what breed is my dog?” Or, you could be considering going deeper ...