The four Aerojet Rocketdyne RS-25 rocket engines that power the core stage of NASA’s Space Launch System (SLS) fired in unison for the second time on March 18 in Test 8 of the Core Stage Green Run ...

NASA conducted a hot fire Saturday of the core stage for the agency’s Space Launch System (SLS) rocket that will launch the Artemis I mission to the Moon. The hot fire is the final test of the Green ...

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 ...

NASA performs an RS-25 rocket engine hot fire test on Jan. 17. Credit: NASA Test personnel at NASA’s Stennis Space Center have successfully conducted the fourth in a second round of 12 ground test ...

Engineers repairing the area where a liquid hydrogen leak was detected during the second attempted launch of SLS on September 3. This photo was taken on September 8 at Kennedy Space Center in Florida.

As the August launch date for NASA's first Artemis lunar mission approaches, Northrop Grumman has released dramatic video footage of a full-scale static fire test of the giant solid-fueled Flight ...

CAPE CANAVERAL—NASA decided late Sept. 6 to repair a hydrogen leak that scuttled its last attempt to launch the Space Launch System (SLS) rocket at the launchpad, then retest the line under cryogenic ...

All this focus on SLS...guys and gals...why expend so much froth... In 2020 SpaceX will be at the very least sending humans to IIS. As they do this they will also be step by step working the kinks out ...

The Artemis I rocket sits on Launch Pad 39-B ahead of sunrise on Friday, Aug. 19, 2022 ahead awaiting its first launch attempt on Aug. 29. The Artemis I rocket sits on Launch Pad 39-B ahead of sunrise ...