During the Cold War, scientists developed a controversial nuclear weapon designed to change how nuclear warfare worked. The neutron bomb minimized blast damage while maximizing lethal neutron ...

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 ...

Iran is extremely unlikely to produce functional nuclear bombs in the current environment—and certainly not quickly. The disruptions from Israeli and U.S. operations (including the ongoing strikes), ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled as a gas or liquid during processing) to build a gun-type nuclear bomb. It ...

VIENNA (Reuters) - The U.N. nuclear watchdog showed letters and satellite images on Friday as part of evidence pointing to military dimensions to Iran's atomic activities, diplomats said, but Tehran's ...