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

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

Space is the only place where rocket fuel could be more precious than water. The China Manned Space Agency announced last ...

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

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 ...

Astronauts on board China's "heavenly palace" space station have demonstrated a new way of making rocket fuel products and breathable oxygen by mimicking a chemical reaction in plants. The technology ...

A series of experiments on board China’s space station have for the first time produced oxygen and the ingredients for rocket fuel – key steps that are considered essential for human survival ...

Space is the only place where rocket fuel could be more precious than water. The China Manned Space Agency announced last month that taikonauts on the ongoing Shenzhou-19 mission successfully ...