Iran said it's suspending cooperation with the IAEA until “conditions are met,” including “ensuring the security” of the ...

Hundreds of thousands of mourners gathered in Tehran for the funeral of top Iranian commanders and scientists killed in a ...

Close to 100 scientists have been killed or abducted to stymie foreign nations’ nuclear programs since World War II. But the ...

A reactor in Tehran is a monument to the U.S. relationship with Iran when the country was led by a secular, pro-Western ...

How an atomic weapon is built, and what the recent Israeli and U.S. attacks on Iran may mean for the country’s nuclear ambitions.

The caskets of Guard’s chief General Hossein Salami, the head of the Guard’s ballistic missile programme, General Amir Ali ...

Since 1987, the Bulletin of the Atomic Scientists has published the Nuclear Notebook, an authoritative accounting of world nuclear arsenals compiled by top experts from the Federation of American ...

Thousands of mourners gathered in Tehran for the funeral of top Iranian commanders and scientists killed in a 12-day war with ...

On Thursday, the United Nations nuclear watchdog, the International Atomic Energy Agency (IAEA), declared that Iran had not complied with its nonproliferation obligations for the first time in ...

Israel attacked Iran early Friday with a barrage of airstrikes that took out top military officers and hit nuclear and missile sites, calling it just the beginning and raising the potential for an all ...