because...?
do you think any place out there that you can reach before you die could be better? or is it just this common "earth is uncool" attitude? personally, i don't miss any of the conditions on any of these planets and moons out there.
let's face the facts, vaxer is right. what are we looking for out there? nothing. we probably won't find aliens this easily and if we do, it will probably be some kind of bacteria that is interesting for scientists but not for the average E.T. and independence day audience. are we looking for new worlds? the costs and effort it would take to create a new world would be higher than improving this one.
man in space is something that is only done for our honor. okay, we've had a man on the moon. is our life better now? how about the first guy on mars - do you think anything would change? no human being could do what a robot can't, at least nothing of any importance out there. during the cold war, as vaxer said, the space program was supported for prestige and especially the USA did their best to sell this competition with the USSR to their people. but now this space hype is over. space isn't so interesting anymore. we know what's out there: cold rocks, vacuum and fireballs. not very pleasant, not very spectacular. and probably, while we live, this isn't going to change. perhaps in 500-1000 years we will find something great, a new world for us, e.t. intelligence or whatever. but until then we have problems to solve right in our backyard, not lightyears away. that's where our money should go or mankind may not live to seriously reach for the stars.