Weirdly enough, the most powerful space rocket NASA has ever designed is powered by engines born more than four decades ago: the Space Launch System (SLS) rocket, the backbone of the Artemis Moon ...

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

NASA is set to kick off a series of tests to ensure the updated RS-25 engine is ready and reliable for powering the SLS megarocket. Reading time 3 minutes NASA is gearing up to start a crucial series ...

NASA has conducted the first in a planned series of 12 ground-test firings to certify the upgraded Aerojet Rocketdyne RS-25 engine for the core stage of the Space Launch System (SLS) rocket. SLS is to ...

NASA kicked off the final certification series for its Artemis moon-rocket engines with a dramatic "hot fire" test this week. The RS-25 developmental design for engine E0525 passed its first hotfire ...

While NASA’s Artemis program may ultimately abandon the Space Launch System rocket, for now, Melbourne-based L3Harris is pushing forward with the manufacture of the powerful rocket’s core stage ...

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Things have been going swimmingly at NASA of late. On top of the triumph that was NASA's Pluto fly-by last month (New Horizon got a nice haul from that, collecting data that will take months to ...