Only one (or possibly two) of the missing bombs was fully assembled at the time it was lost. The total number of confirmed ...

You may think we have too many nuclear weapons. Or you may think we don’t have enough. One thing you most certainly do not think, however, is that we should arbitrarily fire the people who keep these ...

The Energy Department is seeking to bring back nuclear energy specialists after abruptly telling hundreds of workers that their jobs were eliminated, according to two people familiar with the matter.

Called the Lévy walk (or in some cases the Lévy flight) after mathematician Paul Lévy, it is a type of random wandering that ...

Israel has received a shipment of MK-84 bombs from the United States after President Donald Trump lifted an export block ...

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The US has not conducted a real-world test of a nuclear bomb since 1992. After decades of declining nuclear stockpiles, the nuclear agency sees a real possibility that more countries around the ...

A drone armed with a warhead hit the outer protective shell of Ukraine’s Chernobyl nuclear plant. Friday's strike damaged the shell and briefly started a fire.

Trump administration officials fired more than 300 staffers Thursday night at the National Nuclear Security Administration — the agency tasked with managing the nation’s nuclear stockpile ...

They are also concerned that a cornered Tehran may be more willing to develop a nuclear bomb and they view a new nuclear agreement as a way to prevent that. They do not believe a severely weakened ...