A video taken by tiny drones sent into one of three damaged reactors at the Fukushima Daiichi nuclear power plant shows a ...

Senate hearing examines progress on Trump's nuclear executive orders, from reactor restarts and fuel supply to a 400 GW ...

A mysterious spike in seismic activity has been detected near secret US nuclear weapons testing facilities. At least 127 earthquakes have been recorded in the region.

Earlier this month, the New START treaty, a strategic-arms reduction agreement between Russia and the United States to limit their nuclear arsenal, expired. That accord was the last in a series of ...

As a U.S. aircraft carrier arrives in the Middle East, President Trump goes back to negotiating with Iran. But what does the U.S. want in a deal, now that Iran's nuclear sites are rubble, and will ...

A senior United States official on Tuesday disclosed further details about a covert nuclear-related test allegedly carried out by China while stressing the U.S. cannot afford not to resume testing to ...

A senior US official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant Secretary of State Christopher Yeaw ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

Nuclear capable DF-31BJ ballistic missiles are shown on transporters during a military parade in Beijing, China on September 3, 2025. China is undergoing a massive expansion of its nuclear arsenal.

The Pentagon is quietly transporting a next-generation nuclear reactor across the American West, routing it from Southern California through Utah, in what amounts to a live stress test for the country ...

Editor’s note: This is the second of a two-part series on a controversial 1969 nuclear test in western Garfield County. The first story appeared in Sunday’s Aspen Daily News. Jay Cowan and Judy Haas — ...