Arizona Attorney General Kris Mayes is suing over the federal government's funding slash on indirect research costs.

Arizona's electric utilities are planning for more nuclear power as part of a new look for this energy source and the possibility of small reactors.

Arizona officials said copper has been stolen from mining sites, electrical poles and other sites at higher rates than ever. Here's what to know.

One of the top election officials in Arizona's largest county has drastically downsized a team whose responsibilities ...

Authorities say at least one person has died and others were injured when private jets collided at the Scottsdale Airport in Arizona.

Wallace Spots, who was wanted in connection to a shooting that a wounded a 3-year-old girl, was captured in Arizona.

Popular Celtic punk band cancels their 2025 Road to Rebellion Tour and Salty Dog Cruise appearance due to a "serious health" ...

A West Valley man is dead after allegedly shooting four people during a deadly armed robbery in Florida, leading authorities ...

The motion to dismiss fraud, forgery and conspiracy charges is based on Arizona’s anti-SLAPP (Strategic Lawsuit Against Public Participation) law, which since 2022 has barred prosecutors from bringing ...

A midsize business jet hit another midsize business jet that was parked on private property, according to Kelli Kuester, ...

The 1.5 million acre Lake Mead National Recreation Area covers “mountains, canyons, valleys and two vast lakes,” the National ...

Several universities across the country, including the University of Arizona, are facing medical research funding cuts.