A U.K.-based space propulsion startup has unveiled an ambitious concept for a nuclear fusion rocket that may dramatically shorten the journey to Mars. In a recent video presentation, Pulsar Fusion ...

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 ...

Over the past decade, a U.K.-based nuclear propulsion startup has been working behind the scenes to develop a fusion rocket that could cut flight time to Mars in half. This week, it unveiled the ...