A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

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 ...

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 ...

Key Points and Summary - President Trump’s Oct. 29, 2025 call to resume U.S. nuclear testing threatens a 30-year global pause and underscores a wider arms-control breakdown. -With INF and Open Skies ...

Add Yahoo as a preferred source to see more of our stories on Google. An unarmed Trident II D5 missile launches from an Ohio-class ballistic missile submarine off the coast of Florida. The four ...

Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote that he has ordered the U.S. military to resume nuclear testing ...

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...