Nuclear weapons testing gave her cancer. She has spent the past 30 year making sure the U.S. government couldn't look away.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Swedish mushroom foragers have been asked to aid researchers in their ...

A new study shows that a single radioactive cloud was responsible for a large share of the nuclear fallout during the Fukushima Daiichi nuclear disaster on 11 March 2011. The work is published in the ...

Nuclear fallout events, whether triggered deliberately or accidentally, are something we hope will never happen.

Imagine a 150-kiloton nuclear bomb exploded in the city closest to you. Do you know how the city, its surrounding region, and its inhabitants would be affected? If you can't think of much more than "a ...

Nevada - Frenchman's Flat - Members of 11th AB Div. kneel on the ground to watch an atomic bomb test in 1951. (Photo by: Universal History Archive/ Universal Images Group via Getty Images) It’s the ...

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 ...