Argument: Do Aliens exist?

Our civilization is one of many that have existed in the last billion years!
I find it hard to accept that sceptics even confront this.
The universe is so vast, that its extent is indefinite, how can one race (ours), be the only one? There are many unyielding theories from reputable sources that the universe is gaining size, this strengthens the likelihood of another life forms existence.
Many sacred books include references to mysterious beings and objects.
The following have been extracted from the Bible.
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