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.

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 ...

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 sleeps? Big dogs have a way of stopping people in their tracks, and not just ...