We are closer than ever to detecting signs of life on another world. The James Webb Space Telescope is already sniffing alien atmospheres, and the Habitable Worlds Observatory is being built specifically to find biology beyond Earth. But a new paper raises an uncomfortable question; when we do find that first biosignature, will it actually tell us anything meaningful about life in the universe? The answer, it turns out, might be no.
We are closer than ever to detecting signs of life on another world. The James Webb Space Telescope is already sniffing alien atmospheres, and the Habitable Worlds Observatory is being built specifically to find biology beyond Earth. But a new paper raises an uncomfortable question; when we do find that first biosignature, will it actually tell us anything meaningful about life in the universe? The answer, it turns out, might be no.
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