President Donald Trump tried to keep a fragile ceasefire between Israel and Iran in place Tuesday as reports emerged ...

Defense Secretary Pete Hegseth denied the report, saying U.S. bombs "obliterated Iran’s ability to create nuclear weapons." ...

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

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

U.S. President Donald Trump told Congress this week that the Iranian sites bombed by the U.S. housed a "nuclear weapons ...

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

Israel’s tally of war damage it has wrought on Iran includes the targeted killings of at least 14 nuclear scientists and ...

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

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

Iran’s most heavily fortified nuclear site is at Fordo, a hilly area south of Tehran and about 15 miles away from Qum, a city ...

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

Israel bombed Iran’s Fordow nuclear bunker site again after the U.S.’s surprise strike on the secretive underground facility ...