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

A new test of nuclear propellant fuel under space-like conditions has been hailed as a success by NASA and General Atomics ...

It is also heaping extra pressure on other economies and their currencies, especially in Asia, which are simultaneously ...

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

They have successfully conducted experiments that mimic photosynthesis, converting carbon dioxide and water into oxygen and rocket fuel ingredients. This development is a major step towards long-term ...