Antares Nuclear, Inc. announced Thursday that its Mark-0 microreactor achieved criticality at Idaho National Laboratory, becoming the first advanced reactor to reach the milestone under a U.S.

Energy Secretary Chris Wright said Antares Nuclear's Mark-0 microreactor became the first privately developed non-light-water reactor to achieve criticality in the U.S. in more than four decades under ...

The first small modular nuclear reactor in the Trump administration’s pilot program to develop advanced nuclear energy has hit a crucial milestone toward deploying more nuclear power across the ...

The U.S. Department of Energy said Thursday that the first small modular nuclear reactor that is part of its Pilot Reactor Program has achieved criticality, meaning the nuclear chain reaction produced ...

Just over a year ago, the Trump Administration issued an executive order meant to accelerate the development of nuclear power in the US. While an entire startup ecosystem has developed around the use ...

The department is looking to meet a White House-set deadline of having three reactors sustain fission reactions by July 4 of this year. The first advanced nuclear reactor has reached criticality as ...

Antares Nuclear Inc.’s Mark-0—a sodium heat-pipe-cooled microreactor fueled by high-assay low-enriched uranium (HALEU) tri-structural isotropic (TRISO) fuel compacts—has achieved zero-power ...

IDAHO FALLS, Idaho--(BUSINESS WIRE)--Antares today announced that its Mark-0 microreactor achieved initial criticality at Idaho National Laboratory (INL) under U.S. Department of Energy (DOE) ...

Antares today announced that its Mark-0 microreactor achieved initial criticality at Idaho National Laboratory (INL) under U.S. Department of Energy (DOE) authorization — making Antares the first ...