From molten salt to TRISO fuel, here’s how technological advancements could upend an old power technology. Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive ...

Uranium is at the heart of most nuclear weapons, but most don't understand how it's processed or how close Iran is to having weapons-grade uranium.

Nations are racing to deploy advanced reactors for cleaner, more secure nuclear energy, which provides about nine percent of the world’s commercial electricity. There are currently 440 operating ...

Liquid-fueled molten-salt reactors, another new type, could increase waste volume too. In these designs, fuel and coolant are ...

Companies like Kairos Power are building new types of reactors with the encouragement of the Trump administration, but their success is far from assured. By Ivan Penn Reporting from Oak Ridge, Tenn.; ...