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 ...

Human crews headed for Mars are still looking at journeys that last most of a year, long enough for radiation, boredom and mechanical risk to pile up. Nuclear propulsion promises to compress that ...

This study will identify primary technical and programmatic challenges, merits, and risks for developing and demonstrating space nuclear propulsion technologies of interest to future exploration ...

NASA’s announcement Tuesday that it will “pause” work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump ...

Lockheed Martin's concept for a fission surface power (FSP) system on the surface of the moon. Credit: Lockheed Martin No technology holds more transformative potential for America’s space aspirations ...

NASA nuclear spacecraft 2028 plans reveal a bold mission powered by nuclear fission, raising questions about safety, ...