  Elon Musk reveals a historic leap to the Red Planet.
“Starship departs for Mars at the end of next year, carrying Optimus. If those landings go well, then human landings may start as soon as 2029, although 2031 is more likely,” Mr. Musk said on his X social network.
Starship — the world’s largest and most powerful rocket — is key to Mr. Musk’s long-term vision of colonizing Mars.