Humans have never set foot on Mars, but Musk and SpaceX have set a goal to get over this obstacle by the dawn of the next ...

Musk, the billionaire owner of X, Tesla, and SpaceX, was recently spotted wearing a T-shirt bearing the slogan "Occupy Mars" at a Donald Trump rally in Butler, Pennsylvania, during the candidate's ...

But SpaceX founder Elon Musk -- who appeared with the former president wearing an "Occupy Mars" T-shirt at a rally in Butler, Pennsylvania, earlier this month -- has separately promised to send ...