One might envision a microscopic creature with its very own built-in engine, an engine whose power is fueled by something ...

Space exploration has long been a dream of humanity, but a new development out of Russia could change the future of interplanetary travel forever. Scientists are developing a groundbreaking plasma ...

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 ...