Originally Posted by Paul Markham

And in that time no disaster hit the planet?




They can detect water, plants, trees, etc. In fact they have and the evidence isn't good on advanced civilisation.




Who say so? They could have exhausted all their own resources and would need to travel the universe to exploit others.

There is life on other planets, my point is. Is there civilised life advanced enough to travel the universe?

So far scientists are looking and they have found no evidence of civilised life. But keep dreaming that out there are new worlds like in the Star Wars and Star Trek.