In less than a millionth of a second after a nuclear detonation or a severe nuclear reactor accident, an enormous burst of energy heats the surrounding air and materials. Everything in the vicinity is ...

We can replace assumptions with measurements, improve the models used to interpret nuclear debris, and support ...

How a deadly miscalculation turned a Cold War experiment into a radiological disaster.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A doomsday prepper has compiled several detailed maps showing the ...

A nuclear fallout shelter has existed beneath the Florida governor’s mansion for over six decades but has never been used for an attack or disaster. Gov. Ron DeSantis recently gave a video tour of the ...

Iran’s Foreign Minister Abbas Araghchi issued one of the starkest nuclear safety warnings in the Middle East’s modern history on April 5, 2026, warning that continued strikes on Iran’s Bushehr Nuclear ...