15 Best Guard Dog Breeds

Having a well-trained dog to help watch over your home can bring you peace of mind and a loving, loyal companion to greet you when you walk through the door. Some dog breeds are natural guardians, born with the…

Robot dogs join NYC firefighters

Inside a dimly lit tunnel along a stretch of simulated subway track, one of the New York Fire Department's newest dogs showed off a few of his tricks. Lie down. To roll. To stay.But the most notable thing about the two robotic dogs the…