American space agency NASA and space company L3Harris announced they've conducted a test firing of the second new RS-25 ...

HANCOCK COUNTY, Miss. (WLOX) - NASA and L3Harris Technologies successfully conducted a full-duration hot fire test of a ...

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 ...

L3Harris' RS-25 engine, which will support the core stage of the Space Launch System rocket for the Artemis V mission, was fired for 500 seconds.

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 test lasted about "eight-and-a-half minutes (500 seconds), the same ...

NASA’s Dawn spacecraft successfully completed the first test of its ion propulsion system over the weekend. The system is vital to the success of Dawn’s 8-year, 1.6 billion-kilometer (3-billion-mile) ...

CLEVELAND — A small robotic surveyor arrives to explore a near-Earth asteroid. Another robotic spacecraft is returning to Earth with a pristine comet surface sample. Meanwhile, a robotic explorer is ...

Psyche is gently gliding to its target asteroid by expelling ionized xenon. Psyche is gently gliding to its target asteroid by expelling ionized xenon. is a former weekend editor who covered tech and ...