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

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

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, ...

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

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

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

An early U.S. intelligence assessment indicated that the U.S. military strikes on three of Iran's nuclear facilities last ...

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

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