You are using an outdated browser. Please upgrade your browser to improve your experience and security. Elon Musk has proposed sending Tesla's Optimus humanoid robots to Mars aboard SpaceX's Starship before human astronauts. Here's how the robots could help prepare the Red Planet for future. SpaceX plans to send Tesla's Optimus humanoid robots on its initial Mars mission, aiming to prepare the Martian surface for future human exploration.