Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as dated as steam trains. By turning to nuclear power in space, the agency is ...

China hopes to field a total of nine carriers within the decade, the Pentagon believes.

The United States Navy leads the world in nuclear-powered military vessels, as every one of its aircraft carriers and submarines utilizes that method of power generation. Of course, those are only two ...

SEOUL, South Korea (AP) — North Korea on Thursday displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a largely completed hull, as leader ...

Nuclear power’s “cheap, clean, and secure” promise is breaking down. Small modular reactors (SMRs) remain largely theoretical, with the only advanced U.S. project cancelled over high costs. Renewables ...

Nuclear energy is often regarded as the cleanest power source on Earth. Unlike coal or gas, nuclear power plants don't release smoke and other contaminants into the air. They produce massive amounts ...