Looking For Advanced Aliens? Search For Exoplanets With Large Coal Deposits

February 06, 2026 Universe Today

Looking For Advanced Aliens? Search For Exoplanets With Large Coal Deposits
By Bruce Dorminey (https://ift.tt/W5bFtdB)

Extrasolar potentially earthlike planets like Kepler 186f would need to harbor large amounts of coal in order to jumpstart advanced tech, asserts new paper. Credit: NASA Ames/SETI Institute/JPL-Caltech

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on earth, but it should also be key to the development of advanced E.T.s residing on any given exoearth.

February 7, 2026 at 06:50AM
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