The inherent problem with nuclear reactors. Here’s the conundrum for nuclear negotiators both with Iran now and potentially with other countries in the future: Given enough time, all civilian research ...

Pictures show the destruction at the Isfahan facility doesn’t include the buildings likely housing three research reactors.

The Trump administration has an ideal opportunity to revive a broader coalition to prevent the Islamic Republic from becoming ...

Much of the focus on Iran's nuclear program has been on Tehran's enrichment of uranium, but experts also keep a close watch on the Islamic Republic's Arak heavy water reactor. That's because the ...

U.S. and Israeli strikes delivered major damage to Iran's nuclear program, setting it back years, though analysts caution ...

While President Trump's action has been framed as deterrent, history has shown it could have the opposite effect.

Israel’s unprecedented attacks on Iran had at their core an elusive and high-risk goal: eradicating the country’s ...

Iran has begun operating a secondary circuit at one of its heavy water nuclear reactors as part of its efforts to redesign under the 2015 nuclear deal, the country’s atomic energy chief said on ...

In this December 23, 2019, file photo released by the Atomic Energy Organization of Iran, technicians work at the Arak heavy water reactor's secondary circuit, as officials and media visit the ...

Iran's nuclear facility at Natanz, located some 135 miles southeast of Tehran, is the country's main enrichment site. ... Iran is building two other reactors like it at the site.

President Donald Trump said on Saturday the U.S. military had conducted a very successful attack on nuclear sites in Iran, including a facility buried deep in a mountain at Fordow, south of Tehran.

The Israeli Defense Forces warned Iranians within the area of Iran’s Arak heavy water reactor to evacuate on Wednesday. The Farsi-language warning included a red circle around the reactor that ...