Elon Musk has overhauled xAI’s executive ranks after the merger of his AI start-up with SpaceX, telling staff he wants to build a factory and city on the Moon and catapult AI satellites into space. The billionaire said the start-up had “part [ed] ways with some people” as part of a reorganisation in recent days “to improve speed of execution”.

Elon Musk has spent years pitching Starship as a way to send people to Mars, but the vehicle’s most radical near term shift is happening much closer to Earth. Instead of a straight line from South Texas to the Red Planet,