NASA engineers have completed first cold-flow tests of a full-scale nuclear thermal propulsion reactor, validating designs ...

Nuclear propulsion and power technologies could unlock new frontiers in missions to the moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit ...

On Wednesday, Jan. 7, Duke Energy will conduct its first quarterly siren test of 2026 at each of its six nuclear power plants.Approximate siren test times:10 a.m. - 11 a.m. for Brunswick and Harris ...

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

Engineers at the U.S. Department of Energy’s Argonne National Laboratory are testing how insider ...

Scientists at Los Alamos National Laboratory say neutrinos could be used as a diagnostic ...

The only remaining nuclear arms control treaty between the U.S. and Russia, the Strategic Arms Reduction Treaty, NewSTART, expires on February 5, 2026. Russia withdrew from NewSTART in 2023, but has ...

In 1961, the Soviet Union detonated the largest nuclear weapon ever built, a test so powerful it sent shockwaves around the planet and shattered windows hundreds of miles away. This video explains why ...

In 2018, Russian President Vladimir Putin revealed a new generation of strategic weapons, including an experimental cruise ...

Greenland's strategic location makes it a focal point if there were to be a nuclear conflict involving Russia, China and the ...

The missiles were fired from the Pyongyang area at about 4 p.m., Japan said.

It started at a Washington cocktail party, when an Air Force general listened to a mountaineer describe the view from Mount Everest — and decided the ...