OK, so SpaceX might not be a company that built this world, but it is looking like it might be the company that builds the next one. SpaceX has quickly gone from an idea of cheaper space travel from the brilliant mind of Elon Musk to having NASA count on them to get resources and people to the International Space Station.

Learn all about the history of SpaceX, from the original idea, to coming up with a plan for reusable rockets, sending people to the ISS, and even their plans to get the first people to Mars.