TerraPower’s project in Wyoming, which uses novel technology, is the first new commercial reactor to receive federal approval in nearly a decade.

Electricity demand is soaring, and some think the answer isn’t building bigger, but smaller. That’s the idea behind small modular reactors (SMRs): shrink a large and hard-to-build reactor to something ...

NASA is fast-tracking a plan to build a nuclear reactor on the moon by 2030 under a new directive from the agency’s interim administrator Sean Duffy. The plan revives a decades-old dream of scaling up ...