A longstanding theory in evolutionary biology is that venomous predators like rattlesnakes often develop complex venoms in ...

USF researchers find that island snakes adapt their venom in surprising ways, offering new clues about how animals evolve in ...

Can rattlesnakes climb trees? Do cottonmouths really chase people? Are baby rattlesnakes more dangerous because they can't control their venom? Venomous snakes have long been the subject ...

Rattlesnakes are the only native venomous snakes in California. Here's where they live and what to do if you are bitten.