Astrophysicist Jonathan McDowell told Newsweek there were changes in Cosmos 2553's orbit amid speculation about the satellite ...

Fast-forward to today: China, recognizing the latent power of molten salt technology, invested heavily in rebuilding the research. They successfully constructed a two-megawatt molten salt reactor ...

The non-partisan Congressional Budget Office's estimate does not include recently discovered cost overruns in the Sentinel ...

Negotiations between Iran and the United States over Tehran’s rapidly advancing nuclear program will return Saturday to the ...

Fuzhou: China carried out a successful nuclear security exercise at the Fuqing nuclear power base in the country's eastern Fujian Province on Saturday, according to the China Atomic Energy ...

Elon Musk wasn't in the room for this week's confirmation hearing, but his presence loomed large as President Donald Trump's nominee to head the nation's nuclear weapons agency faced questions ...

Russia and the United States each have more than 5,000 warheads, while China, the third-largest nuclear power, is estimated to possess 600. Unlike Britain, which has the fifth-largest arsenal but ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. President Donald Trump said Wednesday that Israel ...

US President Donald Trump threatened to use military action against Iran if it were to try and acquire a nuclear weapon, as negotiators are set to meet Saturday to discuss the stand-off over ...

“China's entry onto the scene as not just an economic player ... NNSA is also in charge of securing nuclear waste sites and transporting nuclear weapons, among other critical tasks. When asked what it ...

“The Iranian regime’s reckless pursuit of nuclear weapons remains a grave threat to the United States and a menace to regional stability and global security,” U.S. Treasury Secretary Scott Bessent ...