The U.N. atomic watchdog’s board is holding a special session to discuss risks to nuclear safety in Ukraine as concerns mount ...

Suggesting Iran could suffer the same fate as Venezuela, Trump warns Tehran to negotiate a new nuclear agreement, or face ...

While some say a nuclear reactor would benefit the economy, others point to the financial costs and environmental ...

Private equity firms have been stalking the government services sector for a long time. But building up Amentum still stands ...

Add Yahoo as a preferred source to see more of our stories on Google. The sponge metaphor first emerged in 1978 when the Air Force’s top general announced a new plan to base cutting-edge nuclear ...

The decision could have huge ramifications. The U.S. hasn't conducted such a test in decades. MARTÍNEZ: So how would a test like that be done? Let's ask NPR science and security correspondent Geoff ...

POBUZKE, Ukraine — In the middle of vast farm fields in southern Ukraine, you'll find what was once a secret Soviet intercontinental ballistic missile launch site. Today it's the Museum of Strategic ...

Beijing’s speedy buildup in nuclear weapons has nonetheless generated concern among administration officials, who regard the issue as yet another point of friction in an increasingly tense ...

Nuclear power seems to be having a moment. As the Trump administration methodically throws up roadblocks to slow, if not stop, carbon-free renewable solar and wind power, carbon-free nuclear appears ...

Known as “islands of inversion,” these regions are found among a sea of normal nuclei. Now, a new island may have been ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...