There is definitely life out there somewhere, we just haven't found it.
It could be of a different molecular structure and not even carbon based.
There are little crabs that live around undersea vents that release Sulphur and make the surrounding area highly acidic and toxic but they are quite happy. There are also microbes that live in solid rock and others that survive next to nuclear reactors.
Life is very diverse and adaptable and space is big, so I am quite confident that life is everywhere.
Cheers
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