An aspiring nuclear terrorist in Iran could be actively building an improvised nuclear weapon after an opportunity to steal ...

President Donald Trump warned on Monday that he would order fresh U.S. attacks on Iran's nuclear facilities should Tehran try ...

Abbas Araghchi tells FT ‘road to negotiation is narrow’ as he lays out conditions for renewed diplomacy after war ...

Despite President Trump’s claims that U.S. strikes “obliterated” Iran’s nuclear program, a new analysis argues this is dangerously misleading. -The strikes failed to destroy Iran’s crucial stockpile ...

Having exhausted time-buying diplomatic options, Russia and Iran are on a collision course with the U.S. Team Trump finds ...

Three European powers met with an Iranian minister to try to reopen negotiations over the limits of its nuclear activities.

Russia said on Wednesday it was concerned about the threat of new strikes on Iran's nuclear facilities, and that a deal on ...

Seven B-2 stealth aircraft dropped a total of 14 GBU-57 bunker-buster bombs on Iranian nuclear sites last weekend.

Recent events in Iran demonstrate that dropping “bunker buster” bombs on nuclear plants is not an ideal, or even necessarily effective, way to prevent proliferation. It is far preferable to prevent ...

Iran Watch ominously warns that “20 percent enriched uranium is approximately 90% of the way to weapon-grade and Iran’s ...

Iran just ended its cooperation with international inspectors, suggesting no post-bombing deal is imminent. That may point to a long game of hide-and-seek, punctuated by military action.

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