SpaceX received approval from U.S. air safety regulators to launch the fifth major test flight of its massive Starship rocket—a pivotal mission that will see the booster portion return from space and attempt to land upright. SpaceX received approval from U.S. air safety regulators to launch the fifth major test flight of its massive Starship rocket—a pivotal mission that will see the booster portion return from space and attempt to land upright. Space Exploration Phys.org – latest science and technology news stories