The bite from a brown recluse can be serious, but that doesn't mean it's always life-threatening. This is what to do if you're bitten.

Arizona's deserts are home to many creepy ... The female black widow spider is considered the most venomous spider in North ...

and black widow spider. The state with the worst reputation ever for venomous snakes in America is Arizona. There are 40 species of snakes in the Copper State, and a whopping percentage of them ...

Australian scientists have discovered a new species of the deadly funnel-web spider that is bigger and more venomous than its relatives, nicknaming it "Big Boy." In research released Monday, ...