Tucked away in southern Arizona, this popular state park offers you a chance to unwind on a sandy beach, head out on a hike, ...

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

The time-lapse shows years of falling water levels as federal forecasts warn the reservoir could see record-low inflows this ...

A new poll finds Arizona voters rank Colorado River water supply as their top concern, above immigration and inflation ...

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

Absent a longer-term deal on how to share a key but dwindling water source in the U.S. West, three states say they'll cut ...

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

Castle Hot Springs burned to the ground and sat empty for years. That wasn't the end of the globally acclaimed Arizona resort ...

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.

Here’s a fun fact that sounds made up but isn’t: you can paddle around an Arizona lake in a kayak that glows like something out of a science fiction movie. AZ Kayaks in Mesa offers Glow Float ...

The U.S. Supreme Court’s decision to weaken a key section of the Voting Rights Act could change how election boundaries are drawn in Arizona — most immediately through a potential lawsuit to challenge ...