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

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Opinion: This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging ...

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 ...

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.

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

Donald Trump’s command for the United States to resume nuclear weapons testing will not include explosive tests, for now, according to Energy Secretary Chris Wright. Wright, whose agency oversees the ...

The 2025 decision of the Bulletin of the Atomic Scientists to move the Doomsday Clock to 89 seconds to midnight was the ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a ...