It's a ball of writhing, slithering snakes. You don't know whether to run or light it on fire because what in the Medusa is going on here? Okay, first, breathe. It's actually no big deal. It's just a ...

How big they are: Can range from 4 inches (10 centimeters) to over 30 feet (9 meters) There are about 4,000 different snake species in the world today. They occupy a wide range of habitats — some ...

A new study offers the first detailed look at king cobra combat. Video evidence reveals that when these snakes joust there is no venom—just a ritualized fight for mating rights. King cobras (like this ...