Starship's 4th straight rocket explosion is the latest public setback for Musk's Mars dreams

Flames rise as a SpaceX rocket explodes in Brownsville, Texas. TheRocketFuture via X/via REUTERS SpaceX's Starship rocket exploded during a test at its Texas Starbase campus. The explosion is the fourth failure for SpaceX's Starship rockets this year. SpaceX uses failures to improve — but it's…