From Alaska to Arizona, tribes are confronting the possibility of stalled projects, energy outages and economic disruption.

As a devastating flash flood in Texas over the weekend has left at least 82 people dead, including 28 children, it's raising ...

A handful of Democrats are seeking to fill his shoes in the 7th Congressional District, while a trio of Republicans is vying ...

Arizona’s extreme environment is reshaping how big cats hunt, and it’s not like anywhere else on Earth. From stalking ...

President Donald Trump touted malice for Democrats like Sens. Kelly and Gallego and Reps. Stanton & Ansari and all who didn't vote for him.

Immigrant advocates say the flyers, titled "Message to Illegal Aliens: A Warning to Self-Deport," contain misleading ...

State policymakers and health experts worry the cuts will drive up uncompensated care and force hospitals to cut services or ...

Dragoon Springs Station in Arizona bears silent witness to two violent episodes in American history. First, the 1858 massacre ...

Taiwan Semiconductor Manufacturing Company (TSMC) denies reports of delaying a Japanese plant to prioritize U.S. investments.

It was a Christmas in July Surprise for Operation Santa Claus at the Arizona Diamondbacks game Sunday.