Iran’s foreign minister said Saturday that his country would accept a resumption of nuclear talks with the U.S. if there were ...

Former national security advisor and HKS faculty member Jake Sullivan says negotiations following the Iran strikes are key ...

The American reaction to an attack is classified, but details made public paint a harrowing picture.

Keeping the door open to talks with the United States likely shows Tehran wants to avoid further economic pain as another ...

How can you tell if enriched uranium stocks, some of them near weapons grade, were buried beneath the rubble or were secretly ...

US officials believe Isfahan’s underground structures house nearly 60% of Iran’s enriched uranium stockpile, which Iran would need in order to ever produce a nuclear weapon.

The US military did not use bunker-buster bombs on one of Iran’s largest nuclear sites last weekend because the site is so ...

Countries without nuclear weapons could decide nuclear nonproliferation and transparency efforts that the world has taken for granted now pose more risk than reward.

The deep penetrating bombs that the U.S. dropped into two Iranian nuclear facilities were designed specifically for those sites and were the result of more than 15 years of intelligence and weapons ...

President Trump has repeatedly said that Iran's nuclear sites were "obliterated" and the program was set back by years.