Antares Nuclear achieved initial criticality of its Mark-0 reactor at Idaho National Laboratory earlier this week, making it the first privately developed advanced reactor to sustain a controlled ...

The startup’s achievement is impressive but underscores the quiet chaos of the nuclear industry following a series of sweeping executive orders in May. Reading time 3 minutes In May, a series of ...

Thea Energy's pixel-inspired magnets could give its power plant plans a boost. The fusion startup hopes to get a commercial reactor working by 2034.

Deep Fission, a California-based nuclear startup aiming to place small modular pressurized water reactors in boreholes one mile underground, has announced the selection of its first three planned ...

After years in the wilderness, it’s a good time to be a nuclear startup. “For the first half a decade that I was telling people I was doing nuclear, I had to convince them, ‘Hey, here’s why nuclear is ...

Valar Atomics' Ward 250 microreactor achieved criticality on March 31, beating its DOE target by months. The $2B startup is ...

The executive order directed the Department of Energy to have three different reactor designs reach criticality in a bit over a year. On Thursday, a startup called Antares announced that a test ...

Google LLC has signed an agreement to purchase nuclear power from the small modular reactor startup Kairos Power LLC. The deal should provide about 500 megawatts of carbon-free electricity to power ...