It is business as usual as NASA engineers prepare for an upcoming RS-25 rocket engine test at Stennis Space Center. They are well-versed on all of the pre-test work to be done, having conducted a very ...

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 ...

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BAY ST. LOUIS, Miss — NASA's final test of its Space Launch System (SLS) rocket to make sure it was ready to launch future Artemis Moon missions experienced early engine shutdown. The core stage ...

Engineers at NASA’s Stennis Space Center gave the first flight article of the RS-25 rocket engine modified for the heavy-lift Space Launch System (SLS) a full-duration static test Thursday, firing the ...

Despite president Donald Trump's plans to phase out Boeing's mega-expensive Space Launch System rocket for NASA, the agency is currently trundling ahead with the original plan. As Ars Technica reports ...

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HOUSTON—Aerojet Rocketdyne reports a successful test of the third of four RS-25 controllers for the quartet of space shuttle-era rocket engines that are to power the first stage of NASA’s Space Launch ...

The astronauts watched a test that will power "future Artemis missions to the moon and beyond." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.