Watch how the first atomic bomb test unfolded, as scientists pushed the limits of physics in a race to end the war. Behind ...

Communities and servicemen have long argued they were harmed by fallout from above-ground nuclear weapons tests – but the UK ...

Prime Minister Netanyahu warned that this would be "the beginning of the end for the Jewish people" during a meeting with the ...

North Korea has test-fired multiple short-range ballistic missiles, the government news agency reported Monday, the latest in ...

Vacant apartments in Missouri are the latest site where radioactive contamination was found. It's tied to improper disposal ...

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

United States President, Donald Trump, on Thursday ruled out the use of nuclear weapons against Iran, despite earlier threats ...

North Korea fired multiple short-range ballistic missiles that tested the power of its cluster munitions, its government news ...

North Korea says its weapons tests this week involved various new systems, including ballistic missiles armed with cluster-bomb warheads.

A recently uncovered British government paper provides evidence of a 70-year official cover-up of the consequences of the United Kingdom’s thermonuclear tests in the Pacific after World War II. London ...

Liz Muller convinced her dad Richard to forego retirement and become an entrepreneur. The result is a revolutionary approach to making atomic energy cheaper and safer. For more than a decade, ...

North Korea says it test-launched ballistic missiles armed with cluster-bomb warheads for the second time this month.