After launching more than 100 small payloads from California on Tuesday and two commercial moon landers from Florida early Wednesday, both atop Falcon 9 rockets, SpaceX readied a huge Super Heavy ...

A SpaceX Falcon Heavy rocket ready for liftoff. Paul Hennessy/NurPhoto via Getty Images SpaceX is scheduled to launch a Falcon Heavy, the world’s most powerful reusable rocket, on Jan.

Super Heavy used three of its 33 engines to approach the tower. Credit: SpaceX This is a critical step for Starship, which ...