You've likely watched space shuttles launch using massive rockets, but how exactly do the rockets that are the backbone of space exploration work?

These spacecraft, buttoned up on top of a United Launch Alliance Atlas V rocket, are the first of more than 3,200 ...

ULA, Elon Musk's SpaceX split most of the U.S. military's space launches for years, while Jeff Bezos' Blue Origin is included. Colorado rocket giant wins certification for Space Force missions ...