SpaceX's Starship rocket is made of stainless steel. SpaceX Starship's mostly-silver appearance comes from a type of non-corrosive alloy called 300-series stainless steel.

The next test flight of SpaceX's Starship megarocket will feature an attempt to catch the vehicle's first stage with the launch tower — and the company is practicing for the big moment.

SpaceX stacked its giant Starship rocket ahead of the vehicle's fourth test flight, ... as a gleaming silver rocket rises amid shrub-studded seaside dunes. And that 400-foot-tall ...

SpaceX's Starship rocket is predominantly silver instead of the conventional white. The silver color comes from noncorrosive stainless steel that SpaceX used to build the rocket. Starship is also ...