Duration: 27:38

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We spoke with author Stephen Petranek about humanity's destiny to colonize other planets--starting with Mars. He believes that private corporations like SpaceX will begin this colonization process in the next decade, will eventually will lead to a terraforming initiative to turn Mars into an Earth-like planet. This is all going to happen a lot sooner than you think.

This interview originally appeared on PCMag's Facebook page as part of our interview series, "The Convo." You can watch other episodes here: http://www.pcmag.com/article/346681/the-convo-pcmag-nerds-it-up-with-the-worlds-most-interesti