ScienceScience Now

Virgin Galactic's SpaceShipTwo

Virgin Group, Ltd.
Virgin Galactic's craft SpaceShipTwo undergoing testing in 2010. In the future, researchers wrote this week, many more of us will be traveling to space on crafts like this -- and doctors will have to learn how to prepare us for it. Mark Greenberg / Clay Observatory for Virgina Galactic/AP Photo
Loading