Antares Nuclear's advanced reactor, Mark-0, hit criticality this month at Idaho National Laboratory, meaning it reached a ...

Nuclear energy in the West took another step forward as the first privately developed, non-light-water reactor to go critical ...

Antares Nuclear's Mark-0 microreactor achieves criticality at Idaho National Laboratory, the first advanced reactor to do so ...

The executive order directed the Department of Energy to have three different reactor designs reach criticality in a bit over ...

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

The microreactor from Antares, a private nuclear technology company, had a successful nuclear fission reaction for the first ...

The first small modular nuclear reactor in the Trump administration’s pilot program to develop advanced nuclear energy has hit a crucial milestone toward deploying more nuclear power across the ...

A committee vote in Washington last week quietly moved the United States closer to deploying nuclear reactors in the Western ...

China says it is testing a prototype nuclear power system designed to be mounted on a truck — a 10-megawatt unit that researchers describe as a mobile source of long-lasting electricity for places ...

An electrical generation system that uses nuclear fission as its energy source. The fission method splits the atom, which generates a chain reaction of energy that heats water or gas to drive a ...

Wind is often touted as a cleaner alternative to nuclear power, but how many wind turbines would it take to match the output ...

Advanced nuclear reactor company X-energy began trading Friday as the AI boom and electrification broadly spark a flurry of interest in the nuclear industry. The stock opened at $30.11, after upsizing ...