Deep Fission, which aims to place small modular reactors in boreholes a mile underground, has signed an agreement to purchase ...

Deep Fission, the California-based startup aiming to revolutionize nuclear energy by burying reactors a ...

The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what ...

Deep Fission has signed an LEU supply agreement with Urenco to support Gravity Reactor testing and early operations under the ...

Deep Fission, Inc. ("Deep Fission" or the "Company"), a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today ...

The contractor that demolished the K West Reactor stack had also taken down the Kingdome in 2000. This is a step toward putting the reactor into temporary storage.

X-energy, the nuclear startup backed by Amazon, has begun construction on what federal officials describe as a first-of-its-kind fuel fabrication facility in Oak Ridge, Tennessee. The plant, known as ...

Idaho National Laboratory has produced what the Department of Energy describes as the first batch of fuel for the world’s first fast-spectrum molten salt reactor, clearing one of the longest-standing ...

A brand-new nuclear reactor is set to undergo testing at the Utah San Rafael Energy Lab in Orangeville, Utah. That's about ...

The first breeder reactor, i.e., one that produces more nuclear fuel material as a byproduct than is used to generate energy, went online almost 75 years ago. So, it's hardly some form of sci-fi ...

The concrete stack stood 175 feet tall, much shorter than when the reactor was irradiating fuel to produce plutonium.

Tests carried out on high burnup fast reactor fuel as part of a collaboration between the USA and Japan are the first of their kind carried out in more than 20 years, and will provide crucial new data ...