Rocket engineering is shifting from painstaking machining and welding to a world where engines and tanks emerge from printers ...

Modern spaceflight rests on a deceptively simple idea: a machine that carries its own fuel and oxidizer, then hurls exhaust backward fast enough to push itself forward. The person who first turned ...

The technology could lead to vehicles traveling at hypersonic speeds straight off a runway. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.