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

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

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 ...

Clarity is key on most issues relating to nuclear weapons, and testing them is no exception. America’s adversaries are carrying out low-level nuclear tests and gaining an advantage over the United ...

WEST PALM BEACH, Fla. — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was the ...

President Donald Trump on Wednesday said he had directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, triggering uncertainty over the decades-old U.S.

Some believe Donald Trump has been engaging in nuclear sabre-rattling intended to intimidate China - Alex Brandon/AP The United States is not ready to restart nuclear weapons testing and risks losing ...

President Donald Trump wrote on Truth Social, his social media site, that he had instructed the Department of War (formerly the Defense Department) to return to “nuclear testing” — although it’s ...

A Pakistani official told CBS News that the country "will not be the first to resume nuclear tests" in response to President Trump's assertion in an interview with 60 Minutes that the country has ...

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 ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...