SpaceX grounds its Falcon rocket fleet after upper stage misfire Spaceflight NowSpaceX pausing launches to study Falcon 9 issue on Crew-9 astronaut mission Space.comSpaceX launches rescue mission for 2 NASA astronauts who are stuck in space until next year CNBCFalcon 9 sends new crew to ISS on first crewed launch from SLC-40 SpaceNewsSpaceX launches rescue mission for astronauts stuck on ISS due to Boeing capsule's glitches Fortune