The president’s halt of foreign aid upended two U.S. programs that help the International Atomic Energy Agency find clues ...

Iran has accelerated its production of near weapons-grade uranium as tensions between Tehran and Washington rise after the ...

The federally-funded study found that about a quarter of Navajo women and infants had high levels of the highly radioactive ...

A report by the International Atomic Energy Agency (IAEA) cautioned that the Islamic Republic of Iran is producing a large amount of uranium that could be used in six atomic bombs.

Iran’s stockpile of uranium enriched just below the level needed for nuclear weapons surged more than 50% in the last three ...

The report from the International Atomic Energy Agency comes amid growing concerns that Iran may pursue a nuclear weapon.

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

Perhaps most importantly, Germany developed gas centrifuges, which are more efficient than calutrons and gaseous diffusion ...

President Donald Trump sent a letter to Iran’s Supreme Leader Ali Khamenei, seeking a new deal with Tehran to restrain its rapidly advancing nuclear ...

as Tehran amasses a critical raw material for atomic weapons. The increase in Iran’s holdings of uranium enriched to 60%, or nearly weapons grade, gives it enough to produce six nuclear weapons.

Iran has escalated its uranium enrichment to near weapons-grade levels, raising alarm within the international community, ...