Antares Nuclear achieved initial criticality of its Mark-0 reactor at Idaho National Laboratory earlier this week, making it ...

The first privately developed U.S. nuclear reactor in over 40 years achieves criticality, marking a historic milestone for ...

Nuclear energy could represent a multitrillion-dollar market opportunity. Which nuclear stock is best positioned for it?

Antares Nuclear Inc.'s Mark-0—a sodium heat-pipe-cooled microreactor fueled by high-assay low-enriched uranium (HALEU) ...

The US Department of Energy said the first small modular nuclear reactor that is part of its Pilot Reactor Program has ...

Antares Nuclear’s Mark-0 reactor achieves self-sustaining chain reaction for the first time, enabling it to produce energy in a controlled manner.

The Energy Department says a small nuclear reactor under development at a national lab has reached a crucial milestone that ...

NEW YORK, Oct 7 (Reuters Breakingviews) - Artificial intelligence really has gone nuclear. The hulking energy demands of machine learning prompted the United States to sign off on reopening, opens new ...

India, June 8 -- A small nuclear reactor developed by a private US company has achieved first criticality, a stepping stone ...

Seventy years have passed since a team of 49 scientists, led by Italian-born Enrico Fermi, succeeded in creating the world's first self-sustaining nuclear chain reaction. Seventy years have passed ...

The United States maintains an arsenal of thousands of nuclear weapons, but it hasn't tested one in decades. Instead, the U.S. is using simulations and experiments to see if the nukes still work.