Astronomers say they've spotted a possible sign of life in the atmosphere of K2-18b, an exoplanet some 124 light-years away, using NASA's James Webb Space Telescope. As detailed in a new paper published in the journal Astrophysical Journal Letters, the international team of researchers led by University of Cambridge astrophysicist Nikku Madhusudhan says they've detected the molecule dimethyl sulfide (DMS) in the planet's atmosphere, which on Earth is only produced by microbes. They suggest that it's possible that K2-18b may be a "Hycean" planet, a portmanteau of the words "hydrogen" and "ocean." It's located in its parent red dwarf star […]

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https://futurism.com/james-webb-signs-life-exoplanet-k2-18b