Space travel can be risky, that's a given. Just getting up out of the Earth's gravitational pull requires massive amounts of energy. But the explosion of Orbital Science's Antares rocket on Tuesday and Virgin Galactic's SpaceShipTwo crash on Friday has made that all the more real for space industry watchers. Two spaceship accidents in one week, one resulting in the death of a pilot and seriously injuring another, has prompted the question — what does this mean for space tourism? Full transcript >>
