SpaceX is launching a Falcon 9 rocket from the Vandenberg Space Force Base. Here's how to watch and if it'll be visible in ...

Arizona, Nevada and California would still have to take massive cuts in their Colorado River water supplies under a new, ...

An early-season heatwave sees temperatures soar above 110 F, raising health risks for parts of California and Arizona.

Three western U.S. states have announced a new two-year deal to stabilize the Colorado River. California, Nevada and Arizona ...

California's top gubernatorial candidates are scheduled face off in their final debate before the June primary. Here's how to ...

Wildcats join race for 2027 standout center.

As dangerously hot air bakes parts of the Southwest, forecasters are flagging elevated odds of significant wildland fire ...

A heatwave will roast California and Arizona, with temperatures soaring as high as 114 degrees, levels more typical of peak ...

Southern California and southwest Arizona are on earthquake alert after a swarm shook Imperial County.

If you’re planning to get outside on Sunday—whether it’s a workout, yard work, or a long drive—think twice. The National ...

California, Arizona and Nevada announced the three states have negotiated a plan for larger water cutbacks along the ...