Interplanetary travel might be about to get a whole lot faster — and hotter. UK startup Pulsar Fusion today unveiled “Sunbird,” a nuclear fusion-powered rocket concept that could halve the time it ...

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

A U.K. space tech company has revealed a secret project that could change how humans travel between planets. After ten years of quiet research, Pulsar Fusion has unveiled a nuclear fusion-powered ...

Reaching Alpha Centauri within a single human lifetime has long sounded like science fiction, yet a new generation of nuclear ...