Samples of "trinitite" created during the world’s first nuclear bomb test in 1945 contain unique crystals never seen before.

I admit I am confused. Trump, not the US Congress, declared war on Iran to stop Iran from getting a nuclear weapon by using its civilian nuclear reactor program to make a bomb. Nuclear weapons are bad ...

Watch how the first atomic bomb test unfolded, as scientists pushed the limits of physics in a race to end the war. Behind the scenes, there were real fears that the explosion could trigger a chain ...

If the largest nuclear bomb ever designed by the Soviet Union were dropped on downtown Atlanta, anything within a nearly five-mile radius would be "effectively vaporized." Within 20 miles of the ...

Experts warn any new Iran deal must ban plutonium reprocessing and expose covert pathways to nuclear weapons, citing risks ...

Al Jazeera spoke with MIT professor Ted Postol about what Iran could do with its 440kg of 60 percent enriched uranium.

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

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 ...

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 ...

President Trump ruled out using nuclear weapons in Iran on Thursday, saying there’s no need. “Why would I use a nuclear weapon when we’ve totally, in a very conventional way, decimated them without it ...