Core components of Iran’s nuclear effort were damaged but not destroyed by U.S. airstrikes on three key facilities, Defense ...

A classified U.S. report showed the United States’ attack on Iran’s nuclear sites only set back the country’s nuclear program ...

Meanwhile, nearly 400 kilograms, or 880 pounds, of uranium enriched to 60% purity is still publicly unaccounted for.

An early intelligence assessment reportedly found that Tehran’s nuclear program was set back by only months after U.S.

Israeli Prime Minister Benjamin Netanyahu declared a "historic victory" on Tuesday after agreeing a ceasefire with Iran and ...

Israeli Prime Minister Benjamin Netanyahu declared “a historic victory” over Iran, claiming the destruction of Tehran’s ...

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

Far more dangerous than U-235 are the elemental products given off when nuclear fuel goes through fission—especially iodine, ...

The U.N.'s atomic watchdog and other experts say radiological contamination is likely inside a key uranium enrichment site at ...

The world is grappling with the enormous implications after the United States inserted itself into Israel’s war against Iran.

Russian Deputy Foreign Minister Sergei Ryabkov said in an interview published on Tuesday that he saw little chance at the ...

European nations worked Monday to keep alive diplomatic efforts to curb the Israel-Iran war as the two countries traded ...