The International Atomic Energy Agency found Iran has upped its 60%-enriched uranium stockpile from 274.8 kilograms to 408.6 kilograms — a roughly 50% jump since February.

Where U.S. and Iran still stand apart on nuclear talks 02:08. Iran has further increased its stockpile of uranium enriched to near weapons-grade levels, a confidential report by the United Nations ...

The Interior Department said it would fast-track the permitting process for a uranium mine in Utah as part of President Donald Trump’s plan to shorten environmental reviews and speed the ...

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.