Animals have stood beside soldiers in war zones as companions and decorated heroes. The PDSA Dickin Medal—regarded as the animal's Victoria Cross—honors their remarkable service. Dogs, pigeons, horses ...

Would you expect your pet to save you if your house was on fire, or alert you if your blood sugar was low? Here, we give thanks to the rats, dogs, donkeys and more that, in some cases, put their own ...

Nature has always loved surprises. Just when we think we understand how the world works, an animal comes along and quietly breaks all the rules. Some creatures glow in the dark, some survive without ...