Every dog at this week's Westminster Kennel Club show is a champion. So how does a judge decide which is best in show?

The Last Ranger' tells the story of a girl, a game warden and a rhino named Thandi, in a short film up for an Oscar.

They're at the top of their sport. They run, weave and go airborne. And they went all out for this weekend's championship.

Chinese engineers have created an ultrafast robot dog that could theoretically run faster than the fastest human alive.

With social media aging, so are the dogs that have for years filled our Instagram feeds with cheer. And when they die, the loss can be unexpectedly heart-wrenching.