A new map of climate conditions during the Pliocene epoch—the last time Earth’s carbon dioxide concentrations hit 400 parts ...

More than 1 million people could pour into western Maricopa County in the coming decades – if housing developers can secure ...

A recent rainstorm broke a long dry streak, but warm and dry weather trends are expected to continue into spring.

Companies need engineers across all disciplines and universities are stepping up to deliver them; schools reap benefits, too.

A man was discovered trapped on a steep mountain ledge after hikers heard his screams for help in Sedona, Arizona, deputies ...

In Colorado City and Hildale, the place is clearly changing. There's new construction around every corner. Modern apartments sit next to homes and cinderblock walls built for FLDS polygamous families.

Located just a stone’s throw from Arizona State University, The Chuckbox stands as a testament to the enduring power of a ...

Large-scale solar farms in Arizona, Nevada, New Mexico and Colorado could be affected, and an Idaho wind project was put on ...

Related: This Tiny Diner has been Serving the Best Homestyle Meals in Arizona for 85 Years Sipping on that root beer, you ...

The sudden success of the Chinese AI startup took the tech world by surprise. Newsweek explores the impact on the U.S.'s lead ...

Welcome to our mid-season check-in for the Winter 24/25.Overall, it’s been a mixed bag across North America. We’ve seen ...

SGT. JACQUELINE C. PARSONS / U.S. MARINE CORPS From atop an armored vehicle, a stinger missile is fired at a small unmanned ...