Dogs come in all shapes and sizes, but as any puppy aficionado knows, they are always cute—no matter how big or small—even when a dog tall enough to drink from the kitchen sink thinks he's a lapdog.

There are some truly gigantic dog breeds out there. From the Anatolian shepherd which was bred to protect livestock and weighs around 150 pounds, to the cane corso which is believed to have descended ...

A pair of world record-breaking dogs is proving that pets can come in all shapes and sizes. The current Guinness World Record holders for the world's tallest dog and the world's smallest dog met in ...