To get around that, a team of researchers recently did the largest gene/behavior association study within a single dog breed.

If you’ve got room in your heart and home for large breed dogs, there’s bound to be one with a personality that matches your energy perfectly. Some are sturdy, others are slight, some can run all day, ...

Scientists are beginning to trace a surprising link between the genes that shape dog behavior and the biology that underpins ...

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Mastiffs are the largest dog breed, with males weighing up to 230 pounds. Large dog breeds are frequently known for being protective. Some large breeds require more upkeep than others, making it ...

Some massive breeds such as the St. Bernard completely lack wolf DNA, but the tiny Chihuahua retains detectable wolf ancestry ...