Ballistic experts say it's too soon to determine how much damage Iran's nuclear facilities sustained in the weekend attack. On Saturday night, the United States targeted nuclear sites in Iran believed to be essential to the country's ability to produce nuclear weapons: a uranium enrichment site located in northwestern Iran -- deep inside a mountain in Fordo -- along with another uranium enrichment site in Natanz and the Isfahan Nuclear Technology Center,

Israel said it hit entrance points to the Fordow nuclear-enrichment site Monday following a U.S. attack over the weekend. It said the strikes were designed to block access t

Strikes on Natanz, Fordow, Isfahan and elsewhere pose little regional radiation risk but could release plumes of toxic chemicals, experts say.