In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

A former SpaceX engineer says he has solved the long-standing engineering problems that have kept water-based rocket ...

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 ...

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 ...