Don Pettit / NASA Blue Origin launched its New Glenn heavy-lift rocket for the first time last week, and news sites and social media feeds were quick to share dramatic images of the 98-meter-tall ...

This arrangement leads to a few complicated welding and machining processes, but surprisingly these obstacles can be overcome by simply printing a rocket engine on a 3D printer. The current engine ...

The rocket, which Relativity said was roughly 85% 3D printed, successfully launched ... but later confirmed to Ars Technica ...