President Trump is doubling down on the administration’s claim that U.S. military strikes “completely destroyed” Iran’s three nuclear sites last month, pushing back against a new assessment ...

After more than two decades of hard-nosed diplomacy on Iran’s nuclear program, European negotiators are finding themselves ...

Officials in Israel are acknowledging that some enriched uranium may have survived the powerful U.S. strikes on Iranian ...

The process of uranium enrichment increases the concentration of U-235, an isotope that can sustain a nuclear chain reaction.

Trump says U.S. strikes "obliterated" key Iranian nuclear sites, setting the program back decades, but sources say an early intel assessment says Iran could rebuild some of its capabilities in months.

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

The U.S. attack on Fordow did real damage to the site. But it also set back the IAEA’s oversight of Iran’s nuclear program.

With questions mounting over the impact of the U.S. and Israeli onslaught on Iran’s nuclear facilities and military infrastructure, a return to hostilities could be a matter of when, not if.

President Donald Trump dismissed an earlier Defense Intelligence Agency assessment as inconclusive and premature.

Israeli Prime Minister Benjamin Netanyahu claims Iran will not pursue nuclear weapons following U.S. and Israeli strikes, ...

Launching from deep within the United States, B-2 stealth bombers dropped a staggering 420,000 pounds of ordnance, supported ...

A preliminary U.S. intelligence assessment has determined that U.S. strikes over the weekend on Iranian nuclear facilities ...