Some dog breeds rival motorcycles in weight, shaped by centuries of work and strength. From towering Great Danes to massive ...

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.

Dogs vary enormously in size, from compact companions to breeds that rival small livestock in height and weight. Exceptional ...