A new nuclear reactor design skips fuel entirely—eliminating meltdown risk while testing a safer future for nuclear power.

Aalo Atomics’ Aalo-X Critical Test Reactor (CTR)—dubbed “Project First Light”—has reached criticality at Idaho National Laboratory (INL), marking the fourth Department of Energy (DOE)–authorized ...

Valar Atomics, an advanced nuclear power startup, announced a collaboration with Nvidia on Wednesday afternoon to explore the ...

Unity, a microreactor from Houston-based Deployable Energy, is the latest of the three to reach criticality as part of a ...

A Florida energy startup pulled the cover off a basketball-sized silicon carbide sphere on July 1, 2026, and claimed a manufacturing milestone that the nuclear industry has been working toward for ...

Blykalla and Hitachi Energy will develop standardized grid connections and electrical systems for lead-cooled nuclear ...

The companies’ Fourth of July plans include celebrating new reactor designs coming online. But there’s still a long way to go ...

The new Deployable Energy Unity reactor core is small enough to fit inside the bed of an F-150 truck, yet generates enough ...

While companies in the US chase smaller footprints, there are a lot of new large reactors going up in China. It’s a tale of two nuclear industries. In China, large reactors are coming together at a ...

Nuclear energy in the West took another step forward as the first privately developed, non-light-water reactor to go critical in the United States in more than 40 years reached a major milestone when ...

WASHINGTON (AP) — The Energy Department says a small nuclear reactor under development at a national lab has reached a crucial milestone that could allow it to produce electricity within a few years.

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 ...