WASHINGTON, Nov 25 (Reuters) - Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing, saying that doing so could spur rival ...

China's Foreign Ministry responded on Monday to President Trump's assertion that Beijing has conducted clandestine nuclear weapons testing with a flat denial. "China's testing 'em too," Mr. Trump told ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global ...

United States Energy Secretary Chris Wright says planned nuclear tests will be “noncritical” and will not feature any nuclear explosions for now. This clarification on Sunday came three days after ...

Nov. 6 (UPI) --President Donald Trump's calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert while experts say the United States has little to gain.

President Trump’s claims that Russia and China are secretly testing nuclear weapons are correct, according to CIA Director John Ratcliffe and Senate Intelligence Committee Chairman Tom Cotton.

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 ...

The Castle Bravo nuclear test produced an explosive yield of 15 megatons and was 1,000 times more powerful than the bomb that destroyed Hiroshima.

President Donald Trump’s announcement that the U.S. would revive nuclear weapons testing — which the U.S. has not done since 1992 — left experts, lawmakers and military personnel scratching their ...

Brett McGurk is a CNN global affairs analyst who served in senior national security positions under Presidents George W. Bush, Barack Obama, Donald Trump and Joe Biden. In the summer of 2022, I ...

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 ...