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

Antares Nuclear, a private nuclear fission energy company developing microreactors, achieved a zero-power fueled criticality demonstration on its Mark-0 advanced reactor at Idaho National Laboratory ...

The first privately developed U.S. nuclear reactor in over 40 years achieves criticality, marking a historic milestone for ...

The department of energy described the milestone as 'rebirth of America’s nuclear industry' and a 'historic moment' for US ...

In a major achievement, a new small-sized nuclear reactor set up by a private company, backed by the US government, has ...

Engineering firm Day & Zimmermann is to oversee pre-construction planning and perform above-ground construction for Deep Fission's Gravity reactor. Meanwhile, industrial-scale metal additive ...

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 ...

Another fusion startup has raised another a massive round to make this type of power a reality.

German fusion startup Focused Energy raised $240M Series A led by utility RWE to build a laser-powered reactor based on the NIF's net energy gain breakthrough.

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

IDAHO FALLS, Idaho (KIFI) — Following an afternoon briefing in the Oval Office where Energy Secretary Chris Wright promised a major announcement before the "sun goes down," the Department of Energy ...