Truly I believe in the existence of aliens, since we live in a vast universe with an uncountable amount of planets, galaxies, and planetary systems. I’ve read a news some day that says - forgive me if I’m just pulling this data all out of the air - NASA estimates the number of stars in a galaxy to something around 100 billion, and the same for the quantity of galaxies in the universe. It means that it might exist about 10^18 galaxies in universe. That’s a huge number. In terms of math, the existence of aliens is more likely to be true and backed up by science than it’s nonexistent. Although, as probability always have two sides, there’s still a really low percentage of likeliness that it doesn’t exist. Thus, it remains as a mytery and matter of personal belief, somehow that the status of this subject could only be changed through the discovering of an alien race.