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

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

Oct 30 (Reuters) - U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with ...

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.

(NATALIA KOLESNIKOVA/AFP/AFP) President Donald Trump Thursday sowed confusion among experts with his call for the start of nuclear weapons testing, with some pundits interpreting the announcement as ...

A Lockheed Martin F-35A stealth fighter from the US Air Force (USAF) test dropped multiple inert versions of a nuclear bomb in August. The USA’s Sandia National Laboratories, a Honeywell subsidiary ...

President Trump's comments about restarting weapons tests are not likely to lead to mushroom-cloud explosions over the New Mexico desert or seismic shaking underground in Nevada, according to the ...

President Donald Trump has called on US military leaders to resume testing nuclear weapons in order to keep pace with other countries such as Russia and China. "Because of other countries testing ...

Moscow has said that if the US resume nuclear weapons testing it will do so too, sparking fears of a renewed arms race. The remarks by a Kremlin official on Thursday came after Donald Trump said he ...