A new study found that some rattlesnakes are producing simpler venoms containing fewer and more focused toxin families than complex venoms -- a surprising discovery that challenges long-held ideas ...

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 ...

What is Arizona’s most venomous snake? It turns out, the most poisonous isn't the most dangerous in the state. Here's what to ...

Researchers at the University of South Florida are uncovering new clues about how animals evolve by studying rattlesnake ...

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