On Thursday, NASA is expected to launch its new Mars rover, Perseverance, on a mission to search for signs of ancient life on the Red Planet. It’s the agency’s largest and most autonomous Martian ...

For decades, plutonium-238 has been the primary fuel used in space nuclear batteries. As reported, it has a half-life of around 88 years, meaning its energy output decreases slowly over time. Missions ...

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 ...

IDAHO FALLS, Idaho (AP) -- The Department of Energy holds hearings this month to lay out plans to produce plutonium at the Idaho National Laboratory, but officials acknowledge they still can't answer ...