Across the vast silence of interplanetary space, humanity has chosen not merely to observe Mars but to strike it — deliberately, five times — in pursuit of what lies beneath. NASA's controlled impact experiment has cracked open the Martian surface and, in doing so, cracked open assumptions long held about the planet's interior. What emerged from those craters was not confirmation but surprise, a reminder that the universe reserves its deepest truths for those willing to disturb the ground.