Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

A B-52 with test markings was spotted carrying a mysterious payload that resembles the rendering of the AGM-181 LRSO, the Air Force’s next-gen stealth nuclear cruise missile. A U.S. Air Force B-52H ...

Minutes before walking into a high-stakes meeting with Chinese President Xi Jinping this past week, President Donald Trump announced what could prove to be a stunning shift in American nuclear policy.

Energy Secretary Chris Wright said the testing ordered up in a surprise announcement by President Trump last week would focus on “the other parts” of nuclear weaponry. By Zolan Kanno-Youngs The ...

Secretary of War Pete Hegseth’s recent announcement that the U.S. will resume testing nuclear weapons has alarmed some nuclear-arms experts. It shouldn’t. President Trump had already announced earlier ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

GYEONGJU, South Korea - President Donald Trump on Thursday morning said he directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, an apparent attempt to flex ...

WASHINGTON — Democratic senators representing states that bore the brunt of the fallout from explosive nuclear weapons testing are seeking to pass legislation that would bar President Donald Trump ...