After spending over nine months stranded in space, NASA astronauts Sunita Williams and Butch Willmore will soon be brought back to Earth aboard a SpaceX Dragon spacecraft. Here's how this may affect their health.

A SpaceX capsule delivered four astronauts to the International Space Station early on Sunday in a NASA crew-swap mission that will allow a pair of stuck astronauts, Butch Wilmore and Suni Williams, to return home after nine months on the orbiting lab,

The arrival of Crew-10 marks the beginning of the handover process. Their spacecraft, Crew Dragon 'Endurance,' is scheduled to dock with the ISS on March 15 at 11:30 p.m.