Mochovce 4 nuclear reactor in Slovakia entered physical start-up testing on July 20, 2026, after its vessel was sealed — the ...

Groves Isotope Test Reactor facility (Image: Oklo) Groves, a privately financed facility, demonstrates nearly every element of a commercially oriented deployment model that Oklo can repeat and scale ...

Four advanced nuclear reactors reached a self-sustaining chain reaction for the first time in the weeks before July 4, 2026, each one built by a startup and authorized under a federal program designed ...

The MarketWatch News Department was not involved in the creation of this content. First-ever full-power test approval paves way for summer 2026 start up EL SEGUNDO, CALIFORNIA / ACCESS Newswire / ...

On May 23, 2025, President Trump, via Executive Order 14301, took multiple actions to jumpstart the nation’s long-dormant ...

Oklo Inc. OKLO has achieved a major milestone in the development of its Groves Isotope Test Reactor after receiving approval for its Documented Safety Analysis (DSA) from the U.S. Department of Energy ...

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 ...

Building a working nuclear fusion reactor has proven to be a daunting challenge even for multiple wealthy nations, as we've seen with the much-delayed ITER project. However, a private start-up called ...

France has successfully connected its most powerful nuclear reactor – the Flamanville 3 European Pressurized Reactor - to the national electricity grid. The Flamanville 3 EPR has now started providing ...

Deep Fission plans to place nuclear reactors a mile underground. Can this deep-well design unlock a new era of clean power?