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

In a Saturn V rocket engine, liquid oxygen and kerosene fuel are pumped separately into the engine at high pressure. They first travel through a pre-burner, which dumps exhaust into the air.

SpaceX launched a Falcon 9 rocket, carrying 23 satellites, on February 11 from Vandenberg Space Force Base in California. The ...

Liquid-fuelled rocket engine design has largely followed a simple ... The key advantage of burning fuel in this manner is that there is more energy to be gained from that huge pressure increase.

Rather than the soft pop of burning wood, the new video brings ... In contrast, the video captures the calm, flickering glow of the rocket’s engines in a more soothing, less intense way.

Chemical engines put the first satellite into ... First conceived of in 1945, this is a rocket that replaces burning chemical fuel with a nuclear reactor that is used to heat up a propellant.

A laboratory prototype of a plasma electric rocket engine based on a magnetic plasma accelerator has been produced by Rosatom ...

Three minutes and 10 seconds after liftoff, the rocket's first stage engines shut down, triggering stage separation and ignition of the two hydrogen-burning BE-3U engines powering the rocket's ...

But then, the New Glenn rocket didn't move. And still, the engines produced their blue flame, furiously burning away methane. The thrust-to-weight ratio of the rocket must have been in the ...