Aliens haven't been found because we've hardly looked for them: study - Business Insider
The universe has so many galaxies, stars, planets, and moons that many scientists believe an intelligent extraterrestrial race should exist within detectable range of Earth. Humans have yet to detect such alien signals, but a new study suggests we've barely scratched the surface in our search.
Source of shared Link
Well who knows there are really aliens out there who are also searching for us...Our galaxy is so huge and scientific researchers would probably discovered them by chance in a thousand years...