The company said its NOVA Core achieved zero-power criticality at LANL's National Criticality Experiments Research Center on 17 November. (Image: Valar Atomics/X) Valar said it is collaborating with ...

A small US nuclear startup has quietly crossed a threshold that most young fission companies only talk about, achieving a self-sustaining chain reaction in a test system without ever boiling water or ...

A Trump administration pilot program aims for three nuclear startups to reach a key milestone by July 4, 2026. Valar Atomics says it’s the first to do so—but it had some help. It’s also, more ...

Valar Atomics may not be the first startup to split an atom, but it did achieve cold criticality—a self-sustaining nuclear reaction. An advanced nuclear startup just achieved a milestone as it races ...