For years, the federal government has been working on turning old, unexploded warheads left over from the Cold War into a ...

A new facility in the United States is set to keep the country safe ...

Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S.

The unprecedented plan aims to convert dismantled nuclear weapons material into civilian reactor fuel amid a uranium supply ...

Kim Jong Un inspected a new plant that makes weapons-grade nuclear material on Wednesday and said Pyongyang plans to “beef up ...

The Energy Department has selected five companies for advanced negotiations to use weapons-grade plutonium for fuel.

Four uranium projects threaten northwest New Mexico, raising concerns about sacred sites and water. An opinion piece weighs ...

If Donald Trump wants history and the Nobel committee to recognize him as a peace president, he has a strange way of going ...

The Energy Department may allow up to five companies to use its surplus plutonium, which it has historically been used in nuclear warheads, as fuel.

President Trump’s special envoy Steve Witkoff said that Iran had enough enriched uranium to make 11 nuclear bombs before the U.S. and Israel launched an attack on the country over the weekend. Witkoff ...

Most accounts of the Manhattan Project tell a familiar story: American scientists relentlessly racing to design and build the fission bombs that would ultimately fall on Japan. A neglected chapter of ...