There is a reason building a rocket engine is harder than most things you want to build. If you are building, say, a car, your goal is to not have it explode. If you are building a bomb, you want that ...

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 ...

When building a model rocket, it can be fun to get into the maths of it all—calculating the expected performance of your build, and then seeing how it measures up in the real world. To aid in that ...

Two hobbyists show how they can pull off SpaceX’s trick at a smaller scale with custom hardware and a few years of effort. Two hobbyists show how they can pull off SpaceX’s trick at a smaller scale ...