SpaceX's massive Starship spacecraft exploded into a dramatic fireball during testing in Texas late on Wednesday, the latest in a series of setbacks for billionaire Elon Musk’s Mars rocket program. The explosion occurred around 11 p.

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.

A SpaceX Starship rocket exploded on a test stand in Texas, adding to a series of setbacks to Elon Musk’s space ambitions that include trips to Mars.