Methane could be the first detectable indication of life beyond Earth

A new study assesses the planetary context in which the detection of methane in an exoplanet’s atmosphere could be considered a compelling sign of life.

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Joshua Krissansen Totton ,Maggie Thompson ,Jonathan Fortney ,Nicholas Wogan ,Myriam Telus ,University Of Washington ,Proceedings Of The National Academy Sciences ,James Webb Space Telescope ,National Academy ,Sagan Fellow ,