President Theodore Roosevelt made the area a game preserve in 1906 and created Grand Canyon National Monument in 1906, ...

People often ask if what I write is true. The honest answer is that all the columns are based on real events. But here’s a ...

Congresswoman Adelita Grijalva recently visited the West Valley, returning to Tolleson for the fourth time this year. She was joined by various city leaders, business owners, residents and other parti ...

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National ...

The Giles-House copyrighted e-book, “Geology of the Lower Owyhee River, Oregon’s Grand Canyon,” is now online at www.owyheegeology.com as a free downloadable document. An improved second edition will ...

Far beneath the Atlantic Ocean, about 1,000 kilometers off Portugal’s coast, lies a colossal underwater canyon system that ...

Rachel Pizzolato hikes the Bright Angel Trail through the Grand Canyon, immersing herself in epic landscapes and adventure.

These Arizona day trips are simple to pull off this year, packed with jaw-dropping views, fun detours, and just enough ...

The bighorn sheep habitat showcases Arizona’s official state mammal, and these sure-footed climbers are genuinely impressive.