VIENNA (AP) — Iran has defied international demands to rein in its nuclear program and has increased its stockpile of uranium enriched to near weapons-grade levels, according to a confidential report ...

Nuclear inspectors in Iran have reportedly discovered uranium in the country that has been enriched to 84 percent purity — just below the level needed to develop nuclear weapons, reports found.

Iran has grown its supply of enriched uranium in the last few months, according to the latest confidential quarterly report from the United Nations’ watchdog group, the International Atomic Energy ...

Inspectors from the United Nations nuclear watchdog found uranium particles enriched up to nearly 84 percent in Iran's underground Fordow uranium enrichment site, International Atomic Energy Agency ...