Production of Pu-238 at SRS ended in 1988 as the Cold War ... Beginning in 1960, the Savannah River Site (SRS) helped meet this challenge by making plutonium-238 to fuel radioisotope thermoelectric ...

Plutonium 'pits' and Small Modular Reactors are all part of Energy Secretary Chris Wright's early goals for his department.

“The significantly increased production and accumulation of high enriched uranium by Iran, the only non-nuclear weapon State to produce such nuclear material, is of serious concern,” the IAEA ...

NASA’s deep space ambitions are colliding with a harsh reality—the U.S. is nearly out of plutonium-238 ... Decades of halted production and failed alternative projects have left stockpiles ...

The plutonium will then be reprocessed and imported ... The FEPC anticipates that pluthermal power production will be in service in at least 12 reactors across Japan by fiscal 2030.