Federal efforts to boost nuclear power projects nationally could have impacts in Arizona as APS, SRP and TEP explore building a new power plant.

Bipartisan nuclear innovation through small modular reactors could revitalize former coal towns with permanent jobs, yet ...

Four new executive orders signed by President Trump aim to boost nuclear power projects by easing regulations and promoting domestic uranium production. Three major Arizona utilities are exploring ...

Apache County’s energy future got a nod on the national stage this week, as U.S. Sen. Ruben Gallego spotlighted the Coronado ...

Ariz., warned of "loss of innocent life" and "escalation" in the region as Trump left the door open to strikes on Iran.

Two state lawmakers will attempt to unseat their fellow Republicans on the Arizona Corporation Commission, the state’s top ...

After President Donald Trump called for the reopening of Arizona’s first coal power plant, the state’s top utility regulator said bringing the facility back online would cost nearly $2 billion.

100 nuclear weapons were detonated above ground at the Nevada Test Site, sending radioactive material high into the atmosphere that fell on unsuspecting Americans downwind in Nevada, Arizona and ...

EPA's plan to scrap a rule curbing power plant emissions has dimmed the outlook for U.S. carbon capture and storage projects.

Senate Democrats are increasingly concerned that President Donald Trump is considering striking Iran without seeking authorization from Congress - or even filling them in on his plans.

High heat can impact anyone’s health, but new research shows people experiencing homelessness face increased risk.