SoftBank Group founder Masayoshi Son is envisaging setting up a $1 trillion industrial complex in Arizona that will build ...

The Senate is divided on war powers as President Donald Trump weighs military action against Iran's nuclear sites. Some argue the Constitution gives Congress the sole authority to declare war.

A Cardiff man's decades-old vision for a floating nuclear power plant has gained new relevance as the world seeks clean ...

New data released this week by an international institution reveals that multiple nations possess stockpiles of military nuclear warheads.

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

A year after Congress allowed a radiation compensation program to lapse, former Navajo uranium miners and their families want ...

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

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.

"Data centers serve a purpose."  Such faint praise is damning from a mayor of one of the global leaders in data processing.

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