A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...

WEST PALM BEACH, Fla. (AP) — 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 Adirondack Park Agency unanimously passed a resolution sending a military cannon test firing range to a rare adjudicatory ...

The United States has not conducted a nuclear weapons test since 1992, and thus there was widespread surprise when President Trump indicated, shortly before a meeting with China’s Xi Jinping, that he ...

“I think the tests we’re talking about right now are system tests. These are not nuclear explosions. These are what we call noncritical explosions,” Wright said on Fox News’s “The Sunday Briefing.” ...

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 ...

Dmitri S. Peskov, a Kremlin spokesman, told Russian news agencies that recent drone and missile tests were not nuclear weapons tests. By Nataliya Vasilyeva In response to President Trump’s threat to ...

President Trump has announced plans to begin testing nuclear weapons, raising fears of a new arms race as Russia and China respond with warnings. President Trump has announced plans to begin testing ...

Prior to meeting with China, the president announced on social media that he’s instructed the U.S. Department of War to “start testing nuclear weapons” immediately. Trump Warns of Threat to Social ...

President Donald Trump on Wednesday announced on his social media site that the “process will begin immediately” to resume testing of nuclear weapons. “Absolutely not. I’ll be introducing legislation ...

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe. By William J. Broad President ...