Antares Nuclear's advanced reactor, Mark-0, hit criticality this month at Idaho National Laboratory, meaning it reached a ...

Antares Nuclear's Mark-0 microreactor achieves criticality at Idaho National Laboratory, the first advanced reactor to do so ...

Antares Nuclear Inc.'s Mark-0—a sodium heat-pipe-cooled microreactor fueled by high-assay low-enriched uranium (HALEU) ...

Nuclear energy in the West took another step forward as the first privately developed, non-light-water reactor to go critical ...

Antares Nuclear’s microreactor at Idaho National Laboratory reached criticality, marking the first time a private company has ...

The first fueled criticality test of a microreactor in a military program offers early validation for reducing reliance on ...

Antares Nuclear's Mark-0 reactor has completed a zero-power fuelled criticality demonstration, becoming the first reactor to ...

The executive order directed the Department of Energy to have three different reactor designs reach criticality in a bit over ...

The US Department of Energy said the first small modular nuclear reactor that is part of its Pilot Reactor Program has ...

The small reactor being developed by Antares Nuclear Inc. participating in an Energy Department pilot program reached “ criticality ,” the agency said in a statement. The milestone occurs when a ...