Grand Canyon fossils in the Bright Angel formation reveal 500M-year-old animals with dual feeding structures, reshaping ...

From natural pools in desert canyons to mineral-rich thermal springs with valley views, these are our favorite hot springs and swimming holes in Arizona.

The Arizona deserts are some of the most spectacular vistas on earth, and you can catch a glimpse of one unique formation ...

The Santa Monica and San Gabriel mountains formed millions of years ago. Within both of them lies a fascinating world of rocks, gemstones, crystals and minerals. Here's how to start identifying them.

OPINION: "If Trump succeeds in installing a new tribal ally willing to allow him to subvert Native sovereignty, it would be the most profound way he would change who we are." ...

Utah gymnastics defeated Arizona State Friday night in Tempe to remain unbeaten in Big 12 competition. Grace McCallum climbed the program record books with a perfect routine on uneven bars, the fourth ...

You know that feeling when you discover something so magnificent you almost want to keep it to yourself? That’s Lyman Lake State Park in St. Johns, Arizona – a 1,500-acre aquatic paradise that somehow ...

TEMPE -- Cocern of cracks within the infrastructure of the Arizona State football program has been greatly exaggerated in recent days following a myriad of reports regarding to players on the 2025 ...

A Neptune man owns the rights to "The Jacksons," a 1970s variety show, and 74 unreleased master recordings from it. Henry Vaccaro, 85, acquired the assets through a decades-long legal battle with the ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Arizona's state mine inspector ...

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life began in our solar system.

DRAGOON, Ariz.—In the boulder-strewn desert east of Tucson, miners are using sulfuric acid and bacteria to bring online the first new U.S. copper production in more than a decade.