<ul><li>Nasa astronauts Butch Wilmore and Suni Williams are set to return to Earth after nine months in space.</li><li>Wilmore and Williams have been waiting for their replacements to arrive at the International Space Station before they can return home.</li><li>Their return will be on a SpaceX capsule alongside two astronauts who launched by themselves in September.</li><li>The delay in their homecoming was caused by issues with the Boeing Starliner capsule and completion time for the new SpaceX capsule.</li></ul>

Nasa astronauts stuck in space after spacecraft problems to return to Earth

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