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 ...

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 wall, following a partial government shutdown in Washington, D.C., ...

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 ...

(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) ...

DUBAI – 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 water reactor. That's because ...

Meta Platforms has found a nuclear power supplier: the company Terrapower, founded by Bill Gates. It plans to supply 2 to 8 reactors.

Here’s something wild happening in Washington right now. The government is opening its driest vault—not for war, mind you, but for electricity. I’m referring, naturally, to Cold War-era weapons-grade ...