As people peer into DNA for clues to health and heritage, man's best friend is under the microscope, too. Genetic testing for dogs has surged in recent years, fueled by companies that echo popular ...

The puppy weighed about 16 pounds at adoption, and in three weeks, he jumped to 26, the owner told Newsweek.

A couple who grew up around dogs adopted a "Labrador retriever mix" as their first pup, thinking it was going to be their best choice; however, his behavior didn’t quite match their expectations—and ...