The steel strut, made to handle about 10,000 pounds of force, failed at just 2,000 pounds of force, Musk said. It was holding down a helium tank in the Falcon 9 rocket’s upper stage liquid ...

A cargo vessel moves through a newly opened deep-water channel ... Pieces of the steel span are still blocking other parts of the port’s main channel, which has a controlling depth of 50 feet ...

video channels, and debris analysis, SpaceX thinks it knows what caused the failure. Preliminary data points to the structural failure of a steel strut designed to hold helium pressurant tanks in ...