The hot-fire test of a chilled-down solid-fuel rocket motor for NASA’s planned heavy-lift Space Launch System (SLS) on June 28 moved the big human-rated rocket a step closer to its first flight in ...

NASA and Orbital ATK announced today that data gathered and reviewed to date from the second five-segment qualification motor (QM-2) test show the solid rocket motor manufactured by Orbital ATK ...

An unannounced test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to soon launch astronauts on a mission around the moon. Ground crews at the Kennedy ...

Engineers are getting ready to put the pressure on hardware for the world’s most powerful rocket, NASA’s Space Launch System, as part of a rigorous test series to ensure each structure can withstand ...