There have been many reports of UFO sightings and crop circles, as well as other phenomena. However, we have not been in direct contact or spotted a planet where we have observed extraterrestrials. This video examines the top 10 reasons why this may be the case. Of course with trillions of stars in the universe, and many of them harboring planets, the odds are extremely high that alien civilizations exist.
A lot of people reference the Fermi paradox which is hotly debated within this topic. And exoplanets like kepler 452-b make things even more likely on the for aliens side.
Let’s find out the top 10 theories why we still appear to be alone in the video on the next page