Originally Posted by Paul Markham

The odds on Mars being able to support life are extreme. So far with all the telescopes we have there has been no places discovered that could support life. Assuming we have the technology to get there and survive the journey, no gravity is a killer. If your body adapts to it when you land you get crushed.

We have no options, the Earth is all we have. Spending trillions trying to get off it is wasting money that might be better spent saving the planet.