NASA and SpaceX halted the countdown late Thursday for the launch of four astronauts to the International Space Station.Mission managers rescheduled the liftoff for early Saturday morning, giving them an extra 24 hours to close out lingering issues, officials said. Nearly ideal weather was expected.The four astronauts, representing four countries, had not yet headed to the SpaceX Falcon rocket awaiting them on the pad.They are expected to spend six months at the space station, replacing four astronauts who have been there for half a year. A NASA astronaut...
NASA and SpaceX halted the countdown late Thursday for the launch of four astronauts to the International Space Station.Mission managers rescheduled the liftoff...