The Arizona Department of Water Resources monitors groundwater levels to track long-term water trends. Crews conduct "basin ...

A U.S. Supreme Court ruling over Louisiana’s redistricting plan could have major impacts on Arizona's political maps.

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

As border wall construction accelerates, ecologists are cataloging wildlife on both sides of the international boundary and ...

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

A Republican leader at the state Capitol is already hinting at filing a lawsuit over this racially charged issue.

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

The move follows a Supreme Court ruling removing Voting Rights Act protections for majority-minority districts.

The Supreme Court cleared the way for Alabama to impose new congressional maps, the latest fallout from the court's recent ...

The Republican majority in the Arizona Legislature is contemplating legal options to redraw the state’s congressional map in ...

PHOENIX — The Independent Redistricting Commission voted unanimously Wednesday to approve new lines for Arizona congressional races through the 2030 election, even though its members complained the ...

On day two of Tennessee's special session, the GOP proposed its ambitious redraw linking Memphis and the greater Nashville ...