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 ...

NASA’s Space Launch System (SLS) Program is concluding its structural qualification test series with one upcoming final test that will push the design for the rocket’s liquid oxygen tank to its limits ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An unannounced test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to soon launch ...

(Update: With extreme cold set to reach Florida overnight Jan. 31, NASA has delayed wet dress rehearsal until no earlier than Feb. 2, and launch is now no earlier than Feb. 8.) With the giant SLS ...