Tesla Inc. is aiming its driverless taxis for the San Francisco Bay area as the carmaker plots an expansion on the heels of ...

The commercial spaceflight company is headquartered at Starbase in South Texas near the U.S.-Mexico border. The site, which is where SpaceX has been conducting routine flight tests of its 400-foot ...

California Gov. Gavin Newsom declared a state of emergency on Wednesday as a winter storm that has impacted the West continued to dump snow and complicate travel in Arizona and Nevada. More than ...

A man from San Diego drowned in the Colorado River near Yuma, Arizona, on Saturday after jumping in the water to save two ...

More than 74,000 Californians moved to Arizona in 2022. There is palpable frustration among some Arizonans that Californians are changing the state’s politics and culture. SCOTTSDALE, Ariz ...

While the California housing market remains competitive—with homes for sale spending an average 31 days on the market before ...

Months of bitter negotiations between seven states that rely on the Colorado River’s vanishing water have collapsed along a clear fault line over the past week: California versus everyone else ...

SACRAMENTO — Arizona abortion providers could practice in California under a new law designed to provide care to women who cross the state line as they face newly restrictive prohibitions at home.