Antares has raised $470 million to build small modular reactors — 100 kW to 1 MW — for U.S. Air Force bases.

The potential deal highlights a growing trend of complex, multi-stage funding rounds that mask true entry prices.

The U.S. government is sitting on dozens of tons of weapons-grade plutonium. It's hoping startups can find a use for it.

Deep Fission is seeking an IPO that could raise $157 million, though investors may have trouble buying the nuclear startup's story.

Surprise! Fusion startup Zap Energy says it will be developing fission reactors alongside its fusion devices.

Investors flocked to nuclear power startup X-energy in its first day of public trading on the Nasdaq.

Amazon-backed X-energy was able to raise around 20% more money in its IPO as demand for nuclear power surges.

Nuclear startup X-energy hit the road today to sell prospective investors on its initial public offering.

It's the first permit to be issued by the Nuclear Regulatory Commission in nearly a decade.