After launch, an apparent propellant leak entered its suborbital trajectory left Starship spinning and mission control unable to control the craft.

After back-to-back Starship upper stage failures, SpaceX on Tuesday again launched the world's most powerful rocket, but faced new problems.

Starship, the futuristic SpaceX rocket vehicle on whichElon Musk's ambitions for multiplanetary travel are riding, stood poised for a ninth uncrewed test launch on Tuesday, aiming for a clean flight after the last two attempts ended in explosive failure.