From pint-sized pooches to huge hounds, dogs come in all shapes and sizes. But even the smallest and largest breeds around have nothing on the pair of pups who hold the respective Guinness World ...

Have you ever walked past a dog so massive that you had to do a double take, wondering how much it eats or where it even ...

A playdate between the world's tallest and smallest living dogs went the way of most dog park encounters despite the 3-foot height difference — lots of tail wagging, sniffing and scampering. Reginald, ...