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.

Bringing down an elk, buffalo or musk ox, let alone a human, does not present much of a challenge. Luckily, they tend to ...

With the number of people buying new dogs soaring, here are the largest breeds that you might like to add to your family.