US Geological Survey geologists estimated large potential for—and large uncertainty about—the amount of hydrogen ...

Will the heat be normal or extreme this summer in Arizona? Will it be a rainy monsoon season? Here's what Old Farmer's ...

Arizona is well known for its beautiful desert habitat. But there are also plenty of lakes you can visit, despite the arid ...

Why are there so many car accidents in Arizona? A new study shows the state has one of the highest crash rates in the US.

Sure, you've heard of Bumble Bee and Tombstone, but Arizona has over 100 ghost towns. Here's what to know about seven ...