I remember in science class learning that even the moon has an atmosphere. Its just very very low on density.
I think we should go to the mars. Frankly I think most of nasa's manned space program has been a big waste of money. We perform really stupid experiments at the space station. There ain't a lot of benefit to flying the shuttle. It would be cheaper to go back to the apollo program. (I assume). Who cares if we can fix a satelite in space when we might as well just shoot up a cheap unmanned rocket that can go higher than any shuttle and put a new satelite in orbit?
Currently I think Manned space travel is an extremely expensive endeaver lacking a purpose. I say lets do it. Lets touch another planet before I'm ashes.