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

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." ...

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

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

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 ...

A U.S. intelligence report suggests that Iran’s nuclear program has been set back only a few months after U.S. strikes and ...

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 ...

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 ...

As a fragile ceasefire between Iran and Israel took effect on Tuesday, Israeli Prime Minister Benjamin Netanyahu claimed his ...