According to Business Insider, SpaceX, the aerospace company founded by Elon Musk, held a hush-hush conference in Colorado this week to formulate a plan for landing people on Mars and building an outpost. SpaceX reportedly sent invitations to about 60 scientists and engineers, asking them not to publicize the event or their attendance at the workshop. Workshop attendees were asked to participate in “active discussions regarding what will be needed to make such missions happen.”

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