Elon Musk's SpaceX's Starship exploded into a ball of fire on 4/20 during its second failed orbital launch in a week. The world's largest and most powerful rocket – which was unmanned - lifted off in South Texas and successfully cleared the launchpad, its first milestone. But the craft was sent into a tailspin when the booster - called Super Heavy - failed to separate from the rocket in mid-air. The mission ended at around four minutes when the failure sent both stages crashing toward Earth, imploding mid-descent over the Gulf of Mexico. Despite the failed launch, the team at...