SpaceX flight aims to bring Starliner astronauts Butch Wilmore and Suni Williams, who have been in orbit for nine months, back to Earth.

NASA and SpaceX will count down today to a long-awaited crewed rocket launch that will allow them to bring home US astronauts Butch Wilmore and Suni Williams, who have been stuck on the International Space Station for nine months.

SpaceX on Wednesday scrubbed the expected launch of a replacement crew of four astronauts to the International Space Station that would have set in motion the long-awaited homecoming of U.S. astronauts Butch Wilmore and Suni Williams.