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 ...

Tesla has applied for a permit to test and deploy autonomous vehicles in Arizona. It's also eyeing expansion in Austin, Texas ...

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

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 ...

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 ...

As climate change shrinks the river, California argues, it’s Arizona that should take the biggest cuts. If the water in Lake Mead dips below 1,025 feet above sea level, California’s proposal ...