Iran’s nuclear program is often discussed as if it were a single secret project, but in reality it is a mix of declared ...

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 ...

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 ...

President Donald Trump has claimed that the 2015 Iran nuclear deal was "a road to a nuclear weapon" and the country "would be sitting with a massive nuclear weapon three years ago" if he hadn't ...