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

SpaceX and NASA launched a mission to bring back US astronauts Sunita Williams and Butch Wilmore from the ISS, where they have been stranded for nine months.

After nine months of uncertainty, NASA astronauts Sunita Williams and Butch Wilmore finally saw hope as SpaceX’s Crew Dragon successfully docked with the International Space Station (ISS). The long-awaited moment brought relief,