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I will try to be clearer, If there was a branch / group in the scientific community that did research with the thought that there is no other life out there ( and i will say it again i am not saying there is no other life ) then their research would take a different path to what is being taken now ( in searching for life ) i think it would be very interesting to see what path they would take, what research they would do and what effort they may take concerning the future of this planet and the possibilities and research of one day living elsewhere.
How do you think they would research trying to say there is no other life out there

surely all they would have to do is nothing and save all those dollars

By looking for life, the answer will come about if there is NO result in the affermative.
My own oppinion is that we should get our own house in order rather than spend the billions of dollars looking for other planets to colonise.
Don't get me wrong I am all for space exploration, but the stated aim of going to other planets because our own planet one day may become unihabitable is an Anathema to me.

Stuff this planet up and then go somewhere else and do the same there.
Cheers