Five Routes to a Broader Search for Extraterrestrial Life

To the point

Scientists are pushing beyond Earth-like biology to imagine life with different chemistries, patterns of metabolism and evolution that don’t require Earth life, complexity and mineral diversity as signs of evolving systems, technosignatures like radio signals as hints of advanced life, and they stress that extraordinary evidence is needed and non-biological explanations must be ruled out before confirming any discovery, with voices like Cole Mathis, Amirali Aghazadeh, Chris Impey, Macy Huston, and Jason Wright leading the discussion.

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‘Project Hail Mary’ explores unique forms of life in space – 5 essential reads on searching for aliens that look nothing like life on Earth - The Leavenworth Echo
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‘Project Hail Mary’ explores unique forms of life in space – 5 essential reads on searching for aliens that look nothing like life on Earth - The Leavenworth Echo

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.