The seventh test of SpaceX's huge Starship rocket was nothing short of exhilarating, with a fiery explosion and a successful booster catch.

SpaceX's colossal Starship rocket blasted off Thursday on its most complex test flight yet, with Elon Musk looking to repeat a booster capture with giant mechanical arms and adding a new twist.

SpaceX launched the seventh test flight of its Starship rocket on Thursday, but lost communication with the upper stage of the rocket that continues on into space. The company’s webcast showed ...