Longtime residents of the Grand Canyon State may be able to list off a few quick facts about their state to people who may not know Arizona well. Yes, we're known as the Valentine State, and yes, the ...

Snakes "smell" with their forked tongues, collecting scent particles to analyze with their Jacobson's organ. Snakes don't have external ears. They sense vibrations through their jawbone and inner ear.

Add Yahoo as a preferred source to see more of our stories on Google. Arizona's most famous cat, El Jefe, has been stalking the mountains of Arizona since at least 2011. Since then three more jaguars ...