Elon Musk says he wants to send one million people to Mars by the year 2050. The SpaceX CEO has become famous for making huge promises about colonizing the red planet. But how many of those ideas are ...

Elon Musk’s bombshell decision to freeze plans to begin building a human colony on Mars, in favor of fostering a Moon city, is a cosmic mistake, says a top Mars scholar.

Either SpaceX's board members are just as delulu, or they're confident this goal is unachievable so they won't have to dole out the pay package.

Have you tuned out Elon Musk yet? The oligarch founder and richest man in the world — currently wealthier than the next three guys combined — has been on our screens daily for years. He is a rare kind ...