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 ...

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

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

Arizona Senate President Warren Petersen said a new Supreme Court ruling on redistricting could lead to a challenge of the ...

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

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

The U.S. Supreme Court’s decision to weaken a key section of the Voting Rights Act could change how election boundaries are ...

Hantaviruses are groups of viruses – microscopic organisms that infect hosts – transmitted by mice and rats. They can cause ...

The ruling focuses on Section 2 of the Voting Rights Act, a key part of the law that has helped protect minority voters for ...

Homeowners in Western and Central states faced the steepest hikes over the past five years, but they don’t pay the highest ...