SpaceX to Proceed With First Crewed Spacecraft Launch

SpaceX has been given the green light for its first crewed spacecraft launch. The mission will be a demonstration of a kind of "taxi" service that SpaceX will be selling to NASA as part of the space agency's Commercial Crew, which aims to defray the high costs of space travel. Taking place in just a few days, NASA astronauts will be making their way to the International Space Station.Doug Hurley and Bob Behnken will be lifting off U.S. soil in the coming days -- the first time in nine years sinc...