specifically can you 3D print the rocket grain itself? By using the resin as a fuel and mixing in a potent oxidiser (ammonium perchlorate specifically – thanks for the tip NASA!) he has some ...

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

The trials verify that the fuel can survive the harsh environment of a nuclear rocket reactor. Up until now, the main way of propelling spacecraft has been through chemical rockets. To be fair ...

Breathing New Air Chinese astronauts claim to have created rocket fuel on board the country's Tiangong space station using a ...