Musk is set to speak to the International Astronautical Congress in Guadalajara. — -- Speculation is rife that SpaceX CEO Elon Musk is about to detail plans to take humans to Mars within a ...

A prototype of SpaceX's Starship spacecraft is seen before SpaceX's Elon Musk gives an update on the company's Mars rocket Starship in Boca Chica, Texas, Sept. 28, 2019.