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 ...

A critical test firing Saturday of the four main engines powering the first stage of NASA's gargantuan Space Launch System moon rocket is the final major hurdle before the fully assembled booster's ...

NASA says it’s ready for the fourth Space Launch System practice countdown at Launch Complex 39B, scheduled for June 20. Credit: NASA/Ben Smegelsky PASADENA, Calif. — NASA is gearing up for a fourth ...

After replacing faulty seals that resulted in the second scrubbed SLS launch attempt on September 3, NASA is ready to proceed with a full-scale cryogenic tanking test of its megarocket on Wednesday, ...

Water Gushes From SLS Rocket Propellant Tank As Engineers Break It On Purpose NASA is making progress in the development of its troubled Space Launch System (SLS), completing structural testing with a ...