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.

Did you know that the American Molossus Dog is the largest dog in the world? You're about to find out! In this video, we're ...

Some dog breeds rival motorcycles in weight, shaped by centuries of work and strength. From towering Great Danes to massive Mastiffs, these gentle giants redefine what “big dog” truly means.

The world’s second-largest dog is now the world’s largest dog. Freddy of Essex, U.K., a Great Dane who stood just under 7½ feet tall died. He was 8½ years old, according to the Guinness Book of World ...