How a radical redefinition of life could help us find aliens
19 June 2023
Sara Imari Walker, who developed Assembly Theory with chemist Lee Cronin, explains how the theory's definition of life might help us find it on other planets
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Premium
Why the hunt for alien life is under way far beneath Earth's surface
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Microbes that breathe sulphur could redefine what it means to be alive and provide clues about what organisms may lurk in the cosmos
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The first sign of aliens might not be microbes or radio signals but fossilised imprints or excrement left on the solid surfaces of Mars or Titan
Mars rover sees signs of microbe-friendly layers in ancient lake
1 June 2017
Curiosity’s inspection of a Martian lakebed reveals multiple environments where microbes could have thrived more than 3 billion years ago
