Starliner astronauts' return to Earth delayed again as replacement crew's launch is scrubbed
NASA will wait at least another two days to launch its next space station crew, delaying the return of Starliner astronauts ...
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Japanese spacecraft approaches Earth to drop asteroid samples
Asteroids, which orbit the sun but are much smaller than planets, are among the oldest objects in the solar system and therefore may help explain how Earth evolved. Ryugu in Japanese means Dragon ...