Russian nuclear chief warns of threats to country's existence, emphasizes need to strengthen nuclear shield as U.S.-Russia ...

The United States, Soviet Union, Britain, France and China all scrambled to develop ever more powerful nuclear weapons ...

Paragon says CoreVision will grant NuScale "reliable, accurate, and modernized monitoring and control of reactor power levels ...

Kyiv has said its strikes are in response to Russia's attacks on Ukraine and are aimed at destroying infrastructure deemed ...

"They want Iran to be obedient to America. The Iranian nation will stand with all of its power against those who have such ...

By The Associated Press Russia accused Ukraine on Sunday of launching drone attacks that sparked a fire at a nuclear power ...

The reactors have more than 110 times the energy density of existing diesel systems, according to Radiant, and can be ...

The clash over Iran's nuclear program is escalating, with U.S. sanctions and Europe's snapback threat putting Tehran under ...

Iran's foreign minister has spoken with his French, German, and British counterparts, trying to stop the reimposition of U.N.

A referendum to push for the re-opening of Taiwan's last nuclear plant failed on Saturday to reach the legal threshold to be ...

Interstellar object 3I/ATLAS shows an unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight ...

One physicist says his design to use nuclear waste as fuel for nuclear fusion could help the U.S. be a leader in the fusion ...