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Do Aliens Exist?
Alien life has existed or does exist.
is true, by necessity there is more than one Earth and thus, more than one human species.
Taking into account the age and size of the universe, alien life exists with a high probability.
claims that life has been transported to Earth on asteroids or comets and started somewhere else in the first place.
If we widen our perspective and take into account that "life" could very well mean a non-carbon-based or a non-water based life form, then it is very likely that aliens exist in this vast universe.
Life can thrive in extreme environments on Earth. Thus, it is highly imaginable that life can exist in extreme environments on other planets or celestial bodies.
Humans have not discovered any evidence supporting the existence of aliens.
According to the three Abrahamic religions, humans are the only intelligent species in the universe, and were created by God.
The creation of life by chance may well be such a fantastically improbable event that it has happened only once.
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