SpaceX Starship upper stage explodes during ramp-up to expected engine test

A SpaceX Starship upper stage exploded during ramp-up to an expected engine test firing at the company's Starbase facility on the Texas Gulf Coast. It's an apparent major setback for the program.
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SpaceX engine test ends in huge Texas blast as company pushes limits

A SpaceX Starship rocket exploded on a test stand at the company’s Starbase facility in South Texas, raising fresh questions ...