Astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station for nine months, will finally return to Earth on Tuesday, one day earlier than expected.

Butch Wilmore and Suni Williams, two NASA astronauts who have been stuck on the International Space Station for nine months, are scheduled to begin their return to Earth early Tuesday morning on a long-awaited flight home to cap an unusual mission.

Butch Wilmore and Sunita Williams will finally return to Earth after nine months 'stuck' in space. The NASA astronauts are awaiting rescue by SpaceX.