Add Yahoo as a preferred source to see more of our stories on Google. NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi.

June 23 (UPI) --NASA fired up a full-duration test of its new RS-25 engine that will power the Space Launch System rocket on Artemis missions to the moon, the space agency announced Monday. NASA ...

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’s Space Launch System appears to have a finite shelf life. The Trump administration wants to cancel it after just three launches, while the preliminary text of a bill making its way through ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

A new version of SLS's solid rocket booster had a bit of a hiccup. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...