Iran has started expanding uranium enrichment to 60 percent purity at an underground site in Fordow days after foreign governments accused Tehran of failing to cooperate with a U.N. investigation into ...

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.

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 ...