Elon Musk revealed that his rocket-launch firm SpaceX is now focused on building a “self-growing city” of humans on the moon – backing away from his plans to launch a civilization on Mars. The world’s ...

Elon Musk’s ambition to one day settle Mars appears to have taken a back seat for a rather nearer and more achievable goal – ...

Today, MIT plays a key role in maintaining U.S. competitiveness, technological leadership, and national defense - and much of ...