For the second day in a row, SpaceX was forced to call off an attempt to launch its giant Super Heavy-Starship rocket on the program's 10th test flight, a milestone mission to demonstrate fixes and upgrades in the wake of three catastrophic failures earlier this year.

A launch attempt Sunday at SpaceX's sprawling Starbase facility on the Texas Gulf Coast was called off because of an oxygen leak in a ground system. Monday's scrub came with less than a minute to go because of an electrically charged anvil cloud near the launch pad that did not move out of the area in time.

The company said a third attempt could be made on Tuesday, but no immediate decisions were announced.

SpaceX's mega rocket Starship is prepared for a test flight from Starbase, Texas, on Monday, Aug. 25, 2025.

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