Add Yahoo as a preferred source to see more of our stories on Google. Watch as a fearless dog steps between a menacing mountain lion and its human companion — risking its own life in a heart-stopping ...

Dogs are known for being loyal companions, but many owners say their pets also become fiercely protective of the people they ...

We talk a lot about trusting our instincts, but handing that responsibility over to your dog feels like a whole different relationship. Leo, the Czech-DDR workingline German Shepherd from ...