People often depict aliens as creatures with big heads and eyes or we imagine them as a menacing hostile fleet ready to attack Earth. While it’s possible those live somewhere in the universe, there’s no definitive proof of they’re existence and so they remain in the realm of science fiction.
But what if aliens are not just make believe. What if there’s proof, beyond a reasonable doubt that there is in fact other life out there, that didn’t originate on earth. The next five examples may finally answer the question of whether or not we are alone in the universe. These are the Top 5 most convincing signs that alien life exists.