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) ...

NASA tests RS-25 engine No. 20001 on Friday, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost 500 seconds, the same ...

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 ...

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 ...

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 ...