Expanding the Search for Life Beyond Earth: Metabolic Signatures, Complexity, and Technosignatures
To the point
Scientists are widening the hunt for alien life beyond Earth by considering different chemistries, signs of metabolism and evolution, and complex, adaptive systems, exploring technosignatures as an alternative, while insisting on ruling out non-life explanations and demanding extraordinary evidence, with Mary Magnuson framing this evolving, interdisciplinary effort.