Two Arizona national parks were named among the best parks for seeing wildlife like mountain lions, bison and birds. Here's where to go to see animals.

The spread of these spiders poses a serious risk. Scientists issue warning after observing alarming shift in giant spider ...

Desert life means you'll run into scorpions, diamondback rattlesnakes and some creepy spiders. Here are the most common venomous creatures in Arizona.

The most venomous snakes in Arizona include rattlesnakes, sidewinders and coral snakes. Here's where they live and how to ...