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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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NASA has announced that they have confirmation that Saturn’s moon Enceladus has a food source that could support potential microbial lifeforms. This crucial ingredient accompanies Enceladus’ grocery list of elements needed to support life: carbon, hydrogen, nitrogen, oxygen, organic molecules, and of course, liquid water.

"Almost all of the conditions that astrobiologists have identified for habitability are present on Enceladus: water, organics, and a chemical energy source," explains Hunter Waite, from the Southwest Research Institute. "The only things that are left on the checklist are phosphorus or sulfur."
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We’re all familiar with the concept of early spaceflight experiments that sent animals into space, including fruit flies, various rodents, all the way up through the quintessential space-monkey. These high-flying menageries were sent aloft to study the effects of travel into space on biological organisms, as no-one at the time knew what would happen to a human being if they were sent to that high an altitude.
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