We put Elon Musk's dream to colonize Mars up against Jeff Bezos' vision of living in space — and one is more realistic

Baac3nes/Getty, Michael M. Santiago/Getty, NurPhoto/Getty, Blue Origin, Tyler Le/BI

The commercial space industry has boomed in recent years, with companies like SpaceX and Blue Origin leading the pack.

Their respective founders, Elon Musk and Jeff Bezos, essentially share the same dream: to expand humanity's reach and build human settlements beyond Earth.

But they each have different ideas of how to get us there.

Musk has his sights on Mars, saying he wants to establish a permanent...