SpaceX Boldly Looks to Blast 'Millions of People to Mars'
Clip: 05/03/2012 | 10m 58s
With the space shuttle era now over and U.S. space flight on the verge of going private for the near future, the company behind the so-called SpaceX project has ambitious plans to make space flight cheaper for cargo and for humans, with a bold idea to send millions of people to Mars. Science correspondent Miles O'Brien reports.
Aired: 05/03/12
