A former NASA scientist explains how we know whether Blue Origin New Shepard made it to space, and how its altitude compares ...

Space startup Exodus Propulsion Technologies claims to have ... the Hubble Space Telescope, and the Space Shuttle — said the discovery could be a major turning point in humanity's quest to ...

As it flew up toward the International Space Station last summer, the Starliner spacecraft lost four thrusters. A NASA ...

Thirty years ago, for a brief moment, a handful of space shuttle astronauts got to live ... Powered by 24 small gaseous nitrogen thrusters, the manned maneuvering unit let astronauts move ...

A notable exception is the space shuttle main engine ... permitted a higher expansion ratio and higher rated vacuum thrust, 470,000 pounds, from a compact combustion chamber.

The Main Propulsion System is designed around the Space Shuttle Main Engines (SSME) inherited from the Space Shuttle Program; for the Core Stage, SLS transformed the other launch elements from ...

but among other Shuttle Orbiter components contained in the SLS Core Stage is all the Main Propulsion System (MPS) equipment for the care and feeding of four uprated Space Shuttle Main Engines (SSME).

Turns out, NASA is still looking to use Starliner to ferry astronauts to the International Space Station and Boeing is onboard, working to solve the thruster issue that led to NASA deciding to have ...