Day & Zimmermann (D&Z) and Deep Fission, Inc. (Deep Fission) announced today their partnership in the construction of Deep ...

Nuclear energy technology firm Deep Fission and engineering and construction company Day & Zimmermann ...

Deep Fission is betting that the safest place for a nuclear reactor is not behind thicker concrete walls but a mile beneath our feet. The California startup wants to sink compact power plants into ...

Nuclear science isn't an easy thing, particularly building a working reactor, but there are a small handful of adolescents ...

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

Deep Fission’s stock is a "Sell" since its $1.4 billion IPO faces major technical/regulatory risks and pre-revenue status.

Back in the 1950s, the U.S. started detonating nuclear bombs underground to limit the fallout, both radioactive and sociopolitical, unleashed by aboveground testing. Hundreds of feet of rock formed a ...

In a test at the Idaho National Lab last week, workers were able to turn the reactor on and safely control a nuclear fission ...

Deep Fission, a California-based nuclear startup aiming to place small modular pressurized water reactors in boreholes one mile underground, has announced the selection of its first three planned ...