Butch Wilmore, a fellow astronaut, stuck in space with Williams, revealed how gravity will be the biggest challenge when the two astronauts return home.

Astronauts Sunita Williams and Butch Wilmore are set to return to Earth around March after an extended stay on the ISS since September. Their return was rescheduled due to NASA and SpaceX’s decision to change spacecraft,

Originally scheduled for a short mission, astronauts Sunita Williams and Butch Wilmore have been stranded in space for over eight months. They launched aboard Boeing’s new Starliner capsule last June for what was meant to be a one-week test flight. However, their return was delayed due to technical issues with the spacecraft.