A light-water reactor could provide more weapons-grade plutonium, abetting the North Korean leader Kim Jong-un’s vow to expand his nuclear arsenal. By Choe Sang-Hun Reporting from Seoul In what would ...

WASHINGTON (Reuters) -The U.S. Department of Energy expects to begin announcing by December 31 which companies will take about 19.7 metric tons of surplus Cold War-era plutonium for eventual ...

Multi-day fast-spectrum reactor experiments at the U.S. Department of Energy’s National Criticality Experiments Research Center generate modern benchmark data. The data supports Oklo’s ...

Add Yahoo as a preferred source to see more of our stories on Google. A person reflects in the window of the U.S. Department of Energy, with the official portrait of U.S. President Donald Trump on the ...

China is building two advanced nuclear reactors with Russian assistance that will produce plutonium for Beijing’s rapid buildup of nuclear weapons, according to a new Air Force think tank study. The ...

WASHINGTON (Reuters) -The U.S. Department of Energy expects to begin announcing by December 31 which companies will take about 19.7 metric tons of surplus Cold War-era plutonium for eventual ...

The Trump Administration is proposing to make 20 metric tons of plutonium from dismantled nuclear warheads available to U.S. power firms for use in advanced nuclear reactors. This plan follows an ...

DUBAI, United Arab Emirates (AP) — Much of the focus on Iran’s nuclear program has been on Tehran’s enrichment of uranium, but experts also keep a close watch on the Islamic Republic’s Arak heavy ...

(Removes reference in paragraph 5 to fuel plants needing Nuclear Regulatory Commission approval, as the plants would be authorized by the Department of Energy) By Timothy Gardner WASHINGTON (Reuters) ...