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

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 ...

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 — 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 Kim ...