When is launch day for NASA's SpaceX Crew-10 astronauts? After an initial launch attempt that ended in a scrub minutes before liftoff, Crew-10 will try again on Pi Day. A hydraulic ground issue at launch pad 39A sparked a scrub of Crew-10's Falcon 9,

SpaceX has launched Nasa's Crew-10 mission, with a Falcon 9 rocket sending four astronauts to the International Space Station from the Kennedy Space Center in Florida. The long-awaited crew of US, Japanese and Russian astronauts is expected to arrive to the station on Saturday night and will relieve Butch Wilmore and Suni Williams.