Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

It’s worth looking at high-assay low-enriched uranium, or HALEU, specifically. This fuel is enriched to higher concentrations ...

President Donald Trump "will decide the path forward on nuclear arms control, which he will clarify on his own timeline," a White House official told Breaking Defense.

The United States needs more energy to get through the cold snaps of the future. The question is where it will come from.

European powers are examining how to their bolster nuclear arsenals to guard against Russia amid questions about America’s commitment to NATO.

DUBAI, United Arab Emirates (AP) — Iran’s supreme leader warned Sunday that any attack by the United States would spark a ...

The last remaining nuclear arms control treaty between the United States and Russia is set to expire Thursday, leaving the ...

Watch as Ollie, his dad, Rev. Chris, and friends take on the Nuclear Fire Noodle Challenge, facing the extreme heat of ...

If the negotiations scheduled for Friday between Iran and the United States are to be effective and durable, they must move ...

The risks of this stand-off have been contained over the years by various arms-control agreements, most recently New START. But that treaty expired this week, with no replacement. To make matters more ...

U.S. Central Command says a U.S. Navy fighter jet shot down an Iranian drone that was approaching the aircraft carrier USS ...