The largest, most powerful launch vehicle ever built is meant to be a key part of SpaceX’s plans to send humans to Mars—and NASA’s plans to return astronauts to the moon, too

After back-to-back explosions, SpaceX launched its mega rocket Starship again on Tuesday evening, but fell short of the main objectives when the spacecraft tumbled out of control and broke apart. The 403-foot rocket blasted off on its ninth demo from Starbase,