Most diverse mammal on the planet: New research sheds light on when dogs may have been domesticated

Domestic dogs are among the most diverse mammals on the planet. From the tiny chihuahua to the towering great dane, the ...

10 Most Overbred Dog Breeds Suffering from Serious Genetic Issues

Purebred dogs may look flawless, but generations of selective breeding have left these pooches struggling with serious health problems. These ten breeds show how changing the natural bodies of animals ...