President Donald Trump has dismissed the assessment of U.S. spy agencies that Iran wasn't building a nuclear weapon before ...

The map created using a simulation tool shows the devastating impact of a hypothetical U.S. nuclear strike on Tehran, Isfahan ...

An Israeli official said that "there's never a 100 percent guarantee," but "a nuclear disaster" should "not happen." ...

President Trump left the Group of Seven summit in Canada a day early to deal with the conflict between Israel and Iran.

Nine countries currently either say they have nuclear weapons or are believed to possess them. The first to have nuclear arms ...

Israel has escalated its bombardment of Iranian cities, including Tehran's state television headquarters; Iranian missiles ...

Slovakia is close to a deal with Washington that would see U.S. company Westinghouse build a new nuclear reactor in the ...

Iran doesn’t have nuclear weapons. But it has enriched nuclear fuel to levels that put it within weeks of having enough ...

If the U.S. decides to support Israel more directly in its attack on Iran, one option for Washington would be to provide the ...

The dismissal came after President Trump signed several executive orders aimed at cutting safety regulations for nuclear ...

European foreign ministers told their Iranian counterpart in a call on Monday to return to nuclear negotiations with the U.S.

The International Atomic Energy Agency said Tuesday it believes Israeli airstrikes on Iran’s Natanz enrichment site have had ...