The return to Earth of two US astronauts stranded on the International Space Station will be delayed until February because of problems with the new Boeing spacecraft meant to take them home.
Nasa has decided that Sunita Williams and Barry Wilmore should instead return on a vessel made by Elon Musk’s SpaceX, extending their planned eight-day mission to eight months.
The decision to avoid using the Boeing Starliner that flew the pair out raises questions for the company’s space ambitions, at a time when its core commercial aircraft operation is under intense pressure. It focuses attention on the difficulties of crewed space flight as countries and business people, including Musk, work on missions to the Moon and Mars.
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