The SLS core booster will help launch NASA's Artemis 1 mission to the moon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA fired up the ...

Aerojet Rocketdyne recently delivered four RS-25 engines to NASA’s Michoud Assembly Facility (MAF) forintegration with the core stage of NASA’s Space Launch System (SLS) in anticipation of the ...

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 ...

Engineers have mated the fourth and final Space Shuttle-era engine to the core stage of the first Space Launch System (SLS) Moon rocket. NASA hopes to use the super heavy launch vehicle, along with ...

Four veteran Space Shuttle Main Engines will benchmark the performance of the rookie Space Launch System (SLS) Core Stage in the final two critical tests of NASA’s Green Run campaign. After loading ...

NASA has awarded a contract to Aerojet Rocketdyne of Sacramento, California, to manufacture 18 additional Space Launch System (SLS) RS-25 rocket engines to support Artemis missions to the Moon. The ...

NASA has powered up the core stage of its SLS rocket, completing an eight-minute hot-fire test of its four RS025 engines. The core stage is the largest rocket element ever built by NASA and is ...

CAPE CANAVERAL—NASA has awarded Aerojet Rocketdyne a $1.8 billion contract to manufacture 18 additional RS-25 engines to support Space Launch System (SLS) flights to the Moon. The contract, announced ...

When it’s ready to fly, NASA’s SLS will be the most powerful rocket ever built and will eventually bring humans back to the moon. But, on Saturday, NASA’s Artemis program suffered a little setback. It ...

The RS-25 test team conducted their first hot-fire test of the year in the A-1 test stand at the Stennis Space Center in Mississippi. The Tuesday afternoon test continued development work started with ...

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. NASA delayed the launch of ...