Elon Musk believes a million people could be living in a self-sustaining city on Mars in just 20 years as he lays out his ...

Mr. Irving is an investigative journalist who has covered aviation and aerospace for more than 30 years.

Elon's father, Errol Musk, told The Washington Post Musk was friends with "Black servants" who worked for his family in an article published on Thursday that discusses Elon's views on racial issues.