From chihuahuas to great Danes, dogs differ more in size than any other mammal species on the planet. A mutation behind such variation has been traced to an unexpected source: ancient wolves. The ...

Breathing problems in flat-faced dogs are strongly linked to genetics, providing a way to improve airway health through ...

National Institutes of Health researchers have shown that areas of the genome related to brain development harbor variants that may account for behavioral differences among different dog lineages. The ...

Ask any pet parent about their pup’s longevity and they’ll likely tell you they wish dogs could live forever. And while an anti-aging drug for canines is in the works, dog owners still have to grapple ...