The media is now spinning conspiracy after conspiracy about Twitter's new shareholders - Here's why none of it matters.
For the first time ever, NASA has been relying on private companies like Elon Musk's SpaceX for re-supply missions. It's all part of a new space race that pits SpaceX against Jeff Bezos's Blue Origin and other startups, as private companies try to capitalize on the "final frontier." What comes next? This QuickTake examines the future of space tourism using private space taxis.