When a nuclear accident happens, it’s vital that scientists have accurate fallout models.

For decades, this place didn’t exist on any map - yet it was the most nuked location on Earth. The Soviet Union detonated 456 ...

In 1962, the United States detonated a nuclear weapon in space during a Cold War experiment called Starfish Prime. The blast ...

Return to Fukushima' and 'Nuclear Is Not The Solution'—lay out the perils and ugly history of nuclear power.

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The country’s ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A nuclear bomb map created using a simulation tool shows the ...

Confusion on whether Iran truly needed only “two weeks to four weeks” to make a nuclear weapon, as President Donald Trump suggested on Monday, hangs over the ongoing U.S. and Israeli war on the ...