Elon Musk is the face of SpaceX — but rockets don’t fly on vision alone. Behind the scenes was Tom Mueller, the engineer who ...

Rockets that are launching things into space, like satellites or space probes, don’t actually have much trouble getting past the Earth’s atmosphere. Rockets encounter most of the resistance when ...

Whether in the real world, depicted in cartoons, or in a hobbyist's back yard, rockets always seem to have fins. Or if not fins, at least some other kind of protrusions along the outside -- they're ...