An international team of engineers and space scientists has used a variety of assumptions, techniques, and math principles to ...

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.

Breathing New Air Chinese astronauts claim to have created rocket fuel on board the country's Tiangong space station using a new process dubbed "artificial photosynthesis." As the South China Morning ...

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 ...