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." ...

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

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

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

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

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 ...

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

Prior to the attack, Iran had threatened to retaliate against the U.S. if it became involved in its conflict with Israel.

Much of the focus on Iran’s nuclear program has been on Tehran’s enrichment of uranium, but experts also keep a close watch ...

Iran and Israel agreed a ceasefire on Tuesday ending 12 days of tit-for-tat strikes, after US President Donald Trump joined ...

The US dropped a barrage of massive bunker-buster bombs on three Iranian nuclear sites early Sunday in a strike Trump quickly hailed as a “bullseye.” ...