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 ...

Ever since SpaceX made reusability the most desirable trait of a spacefaring operation, all the companies working in this industry have shifted their attention toward making hardware that can fly to ...

With an avalanche of private space companies upon us, the number of engines meant to carry rockets and their cargo into space has grown rapidly over the past few years. This world is now dominated by ...

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 ...

When most people think of rockets, they likely imagine something like SpaceX's Raptor engine, or they might recall the Apollo 11 Saturn V rocket that took astronauts to the Moon. Rockets aren't ...

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 ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...