Some dogs are more than man's best friend. Service dogs perform critical functions to keep their owners safe, healthy, and independent. Also called "assistance dogs," these specially trained animals ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo Credit: @stylish_paws/Instagram) Dogs are known for their loyalty and protective nature ...

While some national parks allow you to bring your dogs, not all of them do. However, there's a chance you could still see a dog there, hard at work. These conservation dogs serve a number of different ...