While many scientists are looking into theoretical space engines, others are focusing on the tried and true—such as plain old-fashioned engines that burn rocket fuel. In this new study ...

For nearly a year, SpaceX has been trying out something new: super-cooling the liquid oxygen (LOX) which is a key ingredient in rocket fuel. It's called deep-cryo LOX, and the idea has been around ...

They have successfully conducted experiments that mimic photosynthesis, converting carbon dioxide and water into oxygen and ...

This story has been changed to clarify that it is the world's largest single-segment solid rocket. China says it fired up the world’s largest single-segment solid-fuel rocket engine for the ...