Weeks after humanity went further into space than ever before on the Artemis II, the leading private space company announced it's going public. Some estimates put SpaceX's valuation at nearly USD $2 trillion, the highest ever. It would make the richest man in history — owner Elon Musk — even richer and possibly become the world’s first trillionaire. Musk says his goal is to make spaceships fully reusable and wants “self-growing cities on the Moon.” Nathaniel Dove has more on the SpaceX IPO and what might prevent it from blasting off.