New Delhi, March 7 -- Nearly two months after an explosion sent flaming debris raining down on the Turks and Caicos, SpaceX launched another mammoth Starship rocket on Thursday, but lost contact minutes into the test flight as the spacecraft came tumbling down.

The 403-foot (123-metre) rocket blasted off from Texas a little before sunset. SpaceX caught the first-stage booster back at the pad with giant mechanical arms, but engines on the spacecraft on top started shutting down as it streaked eastward for what was supposed to be a controlled entry over the Indian Ocean, half a world away.

Contact was lost with the spacecraft as it went into an out-of-control spin.

The space-skimming flight was supposed to last an hour and couldn't relea...