Out of all humankind's amazing feats, perhaps nothing is more impressive than our ability to launch into outer space. Though the first-ever space flight occurred in 1957 when the Soviet Union launched ...

In the near century since Robert Goddard, the founder of modern rocketry, fired the first liquid-fuel rocket into the sky, rocket scientists worldwide have favored liquid-fuel engines to power ...

I think you need to do some background reading. I'd suggest looking at the first two or three sections of this page on types of rocket engines. Stop at pressure-fed engines; the details of the ...

3D printing for rocket engines is making a lot of headlines lately. In the last few weeks, we've told you about Aerojet Rocketdyne building and hot-firing a 3D-printed rocket engine and NASA's ...