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

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

Russia has accused Ukraine of drone strikes that sparked a fire at a nuclear power plant in the Kursk region Sunday as ...

Controversy surrounds the 50-year agreement between state-run Korea Hydro & Nuclear Power, or KHNP, and Westinghouse Electric ...

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

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

Iran plans to hold a call with France, Germany, and the UK as they threaten to reimpose UN sanctions over its nuclear program ...

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

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

In Japan and South Korea there is deepening concern over the reliability of long-time American security guarantees – whether ...

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 ...