Searching for Alien Civilizations — Right Here on Earth?
What if we’re looking for alien life in all the wrong places? In response to the current search for alien life in sources beyond Earth, Penn State astronomer Jason Wright has published a paper titled "Prior Indigenous Technological Species", putting forth the idea that there’s the possibility that we mightn’t have to look too far afield to find traces of technologically-advanced alien civilizations, as there may very well have been some that evolved right here on our own planet, in Earth’s distant past.
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