Tag Archives: Alien Traces

Finding Extraterrestrial Life By Their Leftovers

Finding Extraterrestrial Life By Their Leftovers

     When the famous 15th-century inventor and scientist Leonardo da Vinci examined petrified shells with borings in them long ago, he had a remarkable insight. The strange fossilized formations, he determined, were likely left behind by ancient organisms.
By Elizabeth Howell
Seeker
7-12-17

Half a millennium later, this perspective is potentially useful in our search for alien life, argues a new paper that appears in Earth-Science Reviews, whose findings were recently presented at the European Astrobiology Network Association congress in the Netherlands.

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In this latest study, Baucon and his colleagues attempt to explain the best way to find extra-terrestrial traces. One method could be looking for “meandering” trails and burrows, which is an efficient way for microorganisms to look for food. …

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