bnaur Not only do i believe that there is extra terrestrial civilizations.. i know it.. If cogito ergo sum is true.. then a reality is true. if a reality is true then what we percieve is most likely it. [as far as we can percieve] if so.. 2.2 x 10^22 stars means other species exist. as ellie arroway said if just one star in a million has life, and one in a million of those has reasoning life, and one in a million of those explores space. there are millions of civilisations out there even if each gallaxy of 400 billion stars only has one spacefaring species thats 400 billion such species. the odds against there being no other life is like flipping a coin a billion times and never getting tails. the idea of panspermia http://en.wikipedia.org/wiki/Panspermia has much going for it. direction,, i think however reaches from before this verse came to be occam
I am also a believer in alien lifeforms. There may be, and I think probably are, alien lifeforms even on planet earth, but existing in different dimensions. We may even be able to visually observe parts of them, but mistake them for something else. I think life is ubiquitous throughout the universe.