Archaeologists have discovered that another advanced species may have lived before humans. Ancient artifacts could prove that ancient advanced civilizations once existed.
The milky way galaxy has between 100 billion and 2 trillion planets and it would be far fetched to say and even a few of those could have life on them. Modern humans believe that we are the only advanced species that lived on this planet but what if that’s not true.
Recently a thought provoking paper was released which takes a look at other advanced species which could have lived. Scientists at NASA’s Goddard Institute for Space Studies and the University of Rochester take a critical look at whether other advanced species ever existed.
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