It takes a lot of fuel to launch something into space. Sending NASA's Space Shuttle into orbit required more than 3.5 million pounds of fuel, which is about 15 times heavier than a blue whale. But a ...

But a new type of engine — called a rotating detonation engine — promises to make rockets not only more fuel-efficient but also more lightweight and less complicated to construct.

As the first space launch of the world's most powerful rocket looms, you can now "light" or "land" your own Starship. SpaceX on Monday (April 17) debuted two new scale models of its stainless steel ...

Most simple rockets use a solid fuel engine which, once ignited, burns at a steady rate that cannot be controlled or stopped until the fuel is expended. Hybrid engines on the other hand can be ...

How to build a transparent hybrid rocket engine using acrylic rod and a canister of oxygen, with a breakdown of how various other types of rocket engines work along the way. Consider supporting my ...

From the GeekDad mailbag, we've received the following request: My son and I have decided to build and fly our own model rocket. However, I am hopelessly mechanically and electronically dopey. I’m bad ...

Shown here is a one-eighth scale model of the NERVA (Nuclear Engine for Rocket Vehicle Application) nuclear rocket test engine on a movable stand equipped with rails. Originally conceived by the ...