How Terraforming Mars Will Work
Why would we ever want to go to Mars? As pictures beamed back from planetary probes and rovers since 1964 have shown, Mars is a desolate, lifeless planet with seemingly little to offer humans. It has a very thin atmosphere and no signs of existing life -- but Mars does hold some promise for the continuation of the human race. There are more than six billion people on Earth, and that number… » Full Story on HowStuffWorks
