Imagine stumbling upon a creature that looks like a mash-up of a duck, a beaver, and an otter—with a dash of poison thrown in ...

A venomous jellyfish or sea anemone probably came first, maybe 500 million years ago, and venom arose in snakes some 65 million years ago, followed by monotremes (such as the platypus) 46 million ...

The U.S. government has an official plan for a zombie apocalypse Think The Walking Dead is straight-up fiction? Well, it ...