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 ...
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) ...
X-59’s engine started for testing for the first time. NASA’s Quesst (“Quiet SuperSonic Technology”) mission recently achieved a key milestone as it began testing the engine that will power the X-59, ...
Proving yet again that Star Trek was scarily prescient, NASA has announced that its NEXT ion drive -- NASA's Evolutionary Xenon Thruster -- has operated continually for over 43,000 hours (five years).
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