RANCHOS PALOS VERDES, Calif. (AP) – SpaceX CEO Elon Musk says if things go according to plan people will be on Mars just nine years from now. During an interview Wednesday at the Code Conference ...

A lunar base might be feasible; a Mars city is another matter. However, the pressing task is terrestrial: keep Earth habitable And so Elon Musk, the world’s visionary-in-chief, has finally rescheduled ...

Biological limits A sustainable Mars colony will need to include raising children there, but childbirth would be very risky on Mars. (Courtesy: iStock/Denis Art) “It’s hard to say when exactly ...