The U.S. government revealed new intelligence on Tuesday suggesting China may have conducted an ...

Kim Jong Un describes the 600-mm multiple launch rocket system as a deterrent against enemies that no force can stop.

North Korean leader Kim Jong Un oversaw the formal unveiling of a huge multiple rocket launcher that can fire nuclear warheads, state media said.

OP-ED. By allowing the New START treaty to expire, Donald Trump and Vladimir Putin deliver the final blow to global ...

"Talks do not necessarily need an end point — in the shape of a deal — for them to have purpose," argues an international ...

The expiration of the New START treaty last week -- long the framework limiting both nations to 1,550 warheads in 700 launchers -- has renewed fears of an emerging nuclear arms race.

State Department official says China’s alleged 2020 test was ‘a singular explosion’, confirms US will return to nuclear testing.

Satellite images show that Iran has been reinforcing key military and nuclear facilities, including sites struck by the US and Israel last year, as possible war looms between Tehran and Washington.

GENEVA, Feb 17 (Reuters) - Iran and the United States reached an understanding on Tuesday on main "guiding principles" in ...

By Marine Delrue Feb 18 (Reuters) - Satellite images show that Iran has recently built a concrete shield over a new facility ...

Facilities undergoing modernization have been observed in Sichuan Province, potentially indicating testing related to atomic weapons.

The last time IAEA inspectors were able to access Iran’s uranium reserves, they determined it had amassed 972 pounds of uranium enriched to 60% — a more than 50% increase from February.