This 3D simulation explores the potential effects of a hypothetical 100-megaton nuclear explosion over New York City, ...

Use this 5-step guide to understand fallout distance, why it varies, and how to follow official safety instructions.

Golden Dome, President Donald Trump’s proposed U.S. missile defense shield, is built around the idea that thousands of ...

During the Cold War, U.S. weapons testing bordered on the inhumane. During the Starfish Prime test, for example, nukes were launched into space, but not before several failures left radioactive debris ...

The United States became a victim of terrorism on a grand scale when a powerful bomb exploded in the World Trade Center in New York City in February, 1993. This event, however, was only a precursor to ...

Nuclear winter refers to extreme global cooling that can occur after large-scale nuclear war. Firestorms from detonations loft hundreds of millions of tons of soot into the stratosphere, blocking ...

Let's get the obvious difference out of the way first: A nuclear reactor generates electricity that can power the world around us. A nuclear weapon, well, we know plenty enough about the damage one of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. It was 10:36 a.m. on October 9, 2006, when South Korea's sensors first ...