NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft. It is an attempt to rewrite the basic rules of how far, how fast, and how ...

Space rockets may soon use nuclear-powered engines based on nuclear thermal propulsion, or NTP technology. While no nuclear engine will fly this year, the field is approaching a major milestone, with ...

UK space propulsion company Pulsar Fusion has conducted the first test of a prototype exhaust system for a nuclear fusion rocket engine that could dramatically cut transit times for missions to Mars ...

The breakthrough brings scientists a step closer to fusion propulsion - technology that mimics the energy reactions powering the Sun. View on euronews ...

In the context of this conversation we're talking about thermonuclear explosions in space for power generation, not propulsion. So it being heavy is fine. Orion was meant to be propulsive so that ...