Elon Musk was expected on Tuesday to present an update on SpaceX's plan to launch missions to Mars ahead of a high-stakes Starship test flight later in the day. Musk, the world's richest person and a key supporter of U.

Musk will discuss progress and next steps toward building a human presence on the Red Planet ahead of Starship’s ninth test flight today.

The 400-foot-tall Starship rocket is set to blast off from SpaceX’s Starbase facility in Texas at 7:30 p.m. EST for its ninth test flight, with the company aiming to correct the failures of