Iran manufactured a record volume of uranium enriched just below the levels needed for nuclear weapons, complicating efforts to negotiate a peaceful resolution to international concerns over the ...

The U.N. nuclear watchdog says Iran has further increased its stockpile of uranium enriched to near weapons-grade levels.

US President Donald Trump’s declaration of a ceasefire between Israel and Iran may curb the exchange of missile fire, but the biggest mystery of the war remains unsolved: the location of Tehran ...

Iran said it spirited away 880 pounds of enriched uranium before the U.S. bombed its nuclear sites.

After days of debate over how severely U.S. strikes had damaged three nuclear facilities in Iran, the fate of the country’s stockpile of enriched uranium remains a bigger mystery.

WASHINGTON — Iran is still producing nearly weapons-grade uranium amid talks with the US to wind down its nuclear program, a UN watchdog revealed Saturday, while Israel's prime minister called ...

Both Vice President JD Vance and Rafael Grossi, the head of the International Atomic Energy Agency, acknowledged questions about the whereabouts of Iran’s stockpile of near-bomb-grade nuclear ...

IAEA chief Rafael Mariano Grossi says Iran could be enriching uranium 'in a matter of months.' ...

Vice President JD Vance signaled Iran's stockpile of enriched uranium is still intact and in Iranian control, a potentially significant problem for closing off Iran's future path to a bomb. Iran ...

The U.N. nuclear watchdog says Iran has further increased its stockpile of uranium enriched to near weapons-grade levels.

President Donald Trump said Iran was “weeks away” from having a nuclear bomb. Iran was close to having bomb-grade uranium, but experts predicted it could have taken anywhere from months to two ...

Over the years, as Iran built up its underground nuclear facilities and centrifuges, it amassed a large, 880-pound stockpile of uranium enriched to 60%, near bomb grade.