Don't fear the stock's recent sell-off. In a surprise all-hands meeting with Tesla staffers Thursday night, he said employees should "hang on to your stock" despite it losing roughly half its value since December.

Elon Musk has revealed an ambitious plan to send Tesla's humanoid robot, Optimus, aboard SpaceX's Starship on a groundbreaking mission to Mars late next year. This bold step could lay the foundation for future human colonization,