Why we haven't met any aliens yet?

tl;dr:

We already sidetracked according to space research: we are inventing and investing more and more around virtual fields, and space exploration lost its status.

In the long run, maybe fundamentalists and anti-consumerists will rule the galaxy outside the matrix-immersed Earth...

http://seedmagazine.com/content/article/why_we_havent_met_any_aliens/

Literally Lightning-Fast Video Capture

Optical Trick Inspired By Blue Morpho Butterfly

http://www.fastcompany.com/biomimicry/never-before-seen-optical-trick-creates-ultra-secure-cash

Planet Found in Habitable Zone

Sadly, it is 600 light years away from us, but still... we could colonize it.. (If it is not yet.)

http://www.nasa.gov/mission_pages/kepler/news/kepscicon-briefing.html