Building large composite rockets has been a painstaking process. Teams of engineers spend countless hours manually laying ...

Meanwhile, solid rocket engines are simple and cheap, but once you light them, they’re going full-bore until burnout. Hybrid rocket ... try and 3D print one. The build came about somewhat ...

Of course, you can get around this problem with aerospikes, but why do that when you can build the world’s largest airplane? For this simple reason, Orbital ATK developed the Pegasus rocket ...