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

There’s probably a month or so left until the Artemis II mission gets going, sending humans to the Moon for the first time in more than half a century. The hardware tasked with accomplishing the ...

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 ...

NASA fired RS-25 engine No. 20001 for 500 seconds at Stennis Space Center, matching the approximate burn duration of RS-25 engines during an SLS launch. The engine also reached 111% power during the ...

It’s time to gather around a digital fire and celebrate the holidays in style with a Yule log video. But this isn’t just any old Yule log. The official NASA Yule log video stars four RS-25 rocket ...

NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost eight-and-a-half ...

NASA has completed a 535-second test of its Space Launch System (SLS) RS-25 rocket engine to collect engine performance data. The test was conducted at NASA’s Stennis Space Center near Bay St. Louis, ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 engines, recently passed a critical milestone that put the integrated system to ...

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.The ...