The nuclear weapons testing ordered by U.S. President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday.

President Donald Trump's order for the Defense Department to start testing nuclear weapons could lead to billions of dollars' ...

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably ...

The Fukushima Daiichi nuclear accident reinforced the importance of having adequate national and international safety standards and guidelines in place so that nuclear power and technology remain safe ...

The W88, estimated to yield 455 kilotons of TNT explosives, is one of the most powerful nuclear warheads in the U.S. arsenal, and is carried on Trident II D5 submarine-launched ballistic missiles ...

Russian President Vladimir Putin, dressed in a military uniform, announced on Oct. 26, 2025, that Russia had successfully ...