Will we find aliens first or will they find us?

[Half-Century Man]

45. It is mathematical impossible for there to be no other intelligent civilizations in our galaxy

Planets are very common. Planets in the "Goldilocks zone" are being discovered all the time.
Here on this site, we have been offered links to science articles discussing multi universes and the super abundance of oxygen in some comets this week alone.
Science constantly bring to light new discoveries and so few people see the unbelievable ramifications.

As an example; Dark matter and Dark Energy
What we can perceive, everything we can see, feel, use, and we have a measure as how it effects us; is 4% of what should be there according to our measurements. 74% of what must be is Dark Energy, 21% is Dark Matters.
http://hetdex.org/dark_energy/dark_matter.php
Suspended in the vast absence of atoms that is the vacuum of space is a matrix of Dark Matter and Dark Energy structure quite like a sea sponge. All of everything is locked in that barely detectable matrix.
Between your eyes and your keyboard is greater than you thought by 95% right now. Everything you thought was you is off by 20X.
That is what Dark Matter and Dark Energy are. We don't even know what it does to us and how.