What happens when Tesla’s electric vehicles and robotics ambitions meet SpaceX’s rockets, Starlink satellites and expanding AI infrastructure? Elon Musk is exploring that possibility, with both companies forming special committees to examine a potential merger that could create a combined business valued at around $3.5 trillion. The proposed tie-up could bring together AI software, chip design, robotics, satellite connectivity and computing infrastructure. Their joint Terafab semiconductor initiative is one existing link, while Musk’s vision for orbital data centres could open another. But major questions remain over the deal’s terms, shareholder approval, regulatory scrutiny and potential conflicts of interest. No merger agreement has been reached, and Musk has cautioned that a deal is not guaranteed. Could combining cars, rockets and AI accelerate his ambitions—or create new risks around corporate power and governance?