The Nuclear Regulatory Commission is proposing to eliminate a foundational safety principle that has for 50 years minimized the radiation people in the United States are exposed to, and that has been adopted around the world.

The Energy Department says a small nuclear reactor under development at a national lab has reached a crucial milestone that could allow it to produce electricity in the next few years.

The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what they say is potential for the U.S. to quickly deploy nuclear power for military and civilian use.

President Donald Trump has fired a Democratic commissioner for the federal agency that oversees nuclear safety as he continues to assert more control over independent regulatory agencies.

President Donald Trump has signed executive orders to speed up the development of nuclear power and grant the energy secretary authority to approve advanced reactor designs and projects.

U.S. states are positioning themselves to compete for newer, cheaper nuclear reactors being developed as communities and tech giants compete in a race for electricity.

The Trump administration has halted the firings of hundreds of federal employees who were tasked with working on the nation’s nuclear weapons programs.

The U.S. Department of Defense is taking input on its plan to build an advanced mobile nuclear microreactor prototype at the Idaho National Laboratory in eastern Idaho.