‘Failed Star’ Mimics a Key Sign of Life, Complicating Our Search for Aliens

The finding suggests phosphine—a possible biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out.

Oct 2, 2025 0

‘Failed Star’ Mimics a Key Sign of Life, Complicating Our Search for Aliens
Phosphine Brown Dwarf Detection Wolf 1130c

The finding suggests phosphine—a possible biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out.
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