BEIJING, June 6 (Xinhua) -- As of Friday morning, the Tianwen-2 probe had been operating smoothly in orbit for over eight days, reaching a distance of more than 3 million kilometers from Earth, ...

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XICHANG, May 29 (Xinhua) -- China launched its first asteroid sample-return mission, Tianwen-2, in the early hours of Thursday, an endeavour to shed light on the formation and evolution of asteroids a ...