A launch pad problem prompted SpaceX to delay a flight to the International Space Station on Wednesday to replace NASA's two stuck astronauts. The new crew needs to get to the International Space Station before Butch Wilmore and Suni Williams can head home after nine months in orbit.

NASA and SpaceX canceled Wednesday’s planned launch of the Crew-10 mission to retrieve astronauts from the International Space Station (ISS), citing an issue with the launch pad. The delay means NASA astronauts Butch Wilmore and Suni Williams will have to wait at least another day or two before they can head home to Earth

Topline SpaceX canceled a ship launch Wednesday that is part of a mission to bring back two astronauts who have been on the International Space Station for nine months after the Boeing spacecraft they arrived in was deemed unsafe over helium leaks and thruster issues.