Astronauts Butch Wilmore and Suni Williams will return to Earth on Tuesday (March 18) aboard a SpaceX Dragon capsule.Their return, part of NASA's scheduled rotation, was originally planned for Wednesday but has been moved forward due to favorable weather conditions.The duo's extended stay on the International Space Station was a result of issues with Boeing's spacecraft.Wilmore and Williams' return will be live-streamed by NASA starting on Monday (March 17) at 10:45 p.m. ET.