China’s astronauts land safely after space debris collision NPRShenzhou-20 astronauts safely return to Earth on Shenzhou-21 spacecraft after space debris damage concerns SpaceNewsChinese astronauts return from space station after delay blamed on space debris damage NBC NewsChina’s Imperiled Astronauts Illustrate the Dangers of Space Debris Time MagazineChina’s stranded astronauts to return from space station on spacecraft that brought new crew abcnews.go.com