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 ...

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 ...

The company's novel rocket engine could be a game changer for the U.S. military.

UK-based Pulsar Fusion announced it has successfully achieved first plasma in its Sunbird nuclear fusion rocket exhaust system. The demonstration, a world’s ...

NASA announces nuclear rocket demo. 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 ...

Moving an object in space is very energy-consuming, even once a spacecraft has escaped the gravity well of a planet. This is ...

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The announcement that NASA plans to launch a nuclear-powered mission to Mars by 2028 signals a new era in the exploration of ...