20:04 Hi everyone we have made it to the Thwaites Glacier! 18:50 We’re here to answer some more of your questions. (19:10 Alt - Your questions keep rolling in and we’re here for it.) 18:54 This time we thought it might be fun to...

Georgina RannardScience reporterThe incident is unprecedented in the history of the ISS, which has been permanently crewed for 26 years.Space missions have ended early due to health issues just twice before.In 1985, Soviet cosmonaut Vladimir Vasyutin and his colleagues returned four months ahead of...