NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying ...

On Wednesday at 4:59 p.m., a 3.3-magnitude earthquake struck near Mesquite, Nevada, and Scenic, Arizona, according to the ...

As the famed North American road gears up to celebrate its centenary, head to Arizona; home to the longest remaining stretch ...

A U.S. Geological Survey effort to find underground deposits of clean energy metals has gotten bipartisan support.

Aztec Minerals Corp. announces the results of recent data compilation and analysis of RC drilling, surface channel sampling, and 3D data modelling at the Tombstone Property in Southeastern Arizona, ...

Tips on visiting desert national parks in Utah, Arizona, and California including Utah's 5 parks, Death Valley, Joshua Tree, ...