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 ...

American space agency NASA said it fixed one of the RS-25 engines that was supposed to be part of the Artemis II mission, ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA completes a full-duration RS-25 engine hot fire Wednesday, on the Fred Haise Test Stand at the space agency's Stennis Space ...

At Stennis Space Center, NASA conducted another successful hot fire test of an RS-25 engine at the Fred Haise Test Stand.

NASA successfully conducted a hot fire of RS-25 engine No. 2063 on Jan. 22 at the Fred Haise Test Stand at NASA’s Stennis ...

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 ...

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STENNIS space center, Miss. — Upgrades to NASA’s enormous Apollo-era test stand at Stennis Space Center are on track for ground runs of the core stage of the agency’s heavy-lift Space Launch System ...

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 ...