Iran's stock of uranium close to weapons grade has jumped since December, two reports by the U.N. nuclear watchdog said on ...

Ayatollah Ali Khamenei, facing pressure from the White House for a new nuclear deal, says any action against Iran will be met ...

As Iran's nuclear program advances, the country's foreign minister says Tehran won't negotiate under President Trump's "maximum pressure." ...

Under the original 2015 nuclear deal, Iran was allowed to enrich uranium only up to 3.67% purity and maintain a stockpile of uranium of 300 kilograms. Iran’s accelerated production of near ...

The stock of uranium enriched to up to 60% fissile purity, close to the roughly 90% of bomb grade, has been a long-standing concern for Western powers, which say there is no civil justification ...

In order to produce yellowcake, uranium ore is crushed and soaked in sulphuric acid, which acts as a leaching agent. Once each piece is dried and purified, it turns yellow, containing up to 90 per ...

Britain has warned it may trigger U.N. sanctions on Iran if necessary to prevent its acquisition of nuclear weapons. The U.N. Security Council convened amidst concerns over Iran's uranium enrichment ...

The stock of uranium enriched to up to 60% fissile purity, close to the roughly 90% of bomb-grade, has been a long-standing concern for Western powers, which say there is no civil justification ...

The increased production of uranium enriched to 60% purity, just a step away from the 90% required for nuclear weapons, has raised “serious concern,” the UN agency said. According to an IAEA ...

Iran ramped up production of uranium enriched to 60% levels of purity in response to being censured by the IAEA in November. After pulling out of an international deal that limited Iran’s ...