Lake Powell is only 23 percent full. Without sustained action, water providers could face increasingly difficult decisions.

Worsening conditions could threaten the supply of hydropower that provides cheap, clean electricity to many Western states.

Tucson migrant advocates have designed a new tool to help track immigration-related enforcement in and around the city as ...

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

Arizona, California and Nevada say they've put together a proposal to stabilize the ailing Colorado River by saving at least 3.2 million acre-feet of water through 2028.

Well, Utah has its own NHL team now. In their second season, the Utah Mammoth will host their first Stanley Cup Playoff game at Delta Center on Friday (9:30 p.m. ET; HBO MAX, Utah 16, SCRIPPS, TBS, ...

Severe weather is ramping up across parts of the U.S., with storms expected to develop over the next three days from the Plains to the Midwest.

Is it just me, or did the thermometer decide to skip right over “pleasant” and go straight to “slightly toasted” way too early this year? Before we all officially turn into human raisins, I think it’s ...

Martinez Lake, Arizona, hit 110 degrees on Thursday, setting a new record for the hottest temperature ever recorded in the U.S. during March. The heat wave is breaking records across the Southwest, ...

Arizona checks all the boxes when it comes to planning a road trip full of diverse landscapes and scenery. That's because the Grand Canyon State offers something for every kind of traveler — ...

I used to think the only things waiting in the deep desert were sun-bleached rocks and a whole lot of empty space, but then I found this incredible route that feels like a hidden treasure map come to ...

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