Heavy snow was impacting the higher-elevation areas in Northern California on Monday, with several feet of snow expected.

The average commute in Arizona is 26 minutes. These local routes on I-10 and US 60 were ranked the best in the country. Did ...

Using a telescope at Kitt Peak, scientists have produced the largest 3D map of the universe ever made and uncovered ...

SADDLEBROOKE, Ariz. — Crews are battling the Saddlebrooke Fire north of the Tucson area, according to authorities. The Arizona Department of Forestry and Fire Management said the Saddlebrooke Fire is ...

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

Were heavy rains enough to pull California out of drought? Here's which areas are still dry and which are drought-free for ...

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

Cal Fire released updated maps on Monday showing where wildfires are most likely to occur within the next several decades.

With a few notable areas where the orange and red tide receded, like the hills above Berkeley and Oakland, territory deemed ...

Arizona has an expanding semiconductor sector and the state has made inroads in space travel. The two industries could help ...

NASA's newly launched SPHEREx mission will use software developed at the Arizona Cosmology Lab to analyze data and help ...

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant ...