SpaceX is having trouble with Starship's upper stage after back-to-back failures, but engineers are making remarkable progress with the rocket's enormous booster. The most visible sign of SpaceX ...

SpaceX is building Starship as a full reusable heavy-lift rocket to fly astronauts to the moon and Mars. SpaceX's Starship megarocket, the world's most powerful rocket, is officially on NASA's ...

Called Starship, the SpaceX rocket took off around 9:33 a.m. Eastern time and made it about four minutes into its flight. But when it came time for the Starship spacecraft to separate from the ...