Advanced alien civilisations could already be talking to each other across space using a "firefly" technique, it has been claimed. Scientists believe aliens could be communicating with flashing lights ...
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What if aliens are actually humans from the future?
What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet was home to billions of humans, ...
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