Strong evidence of life on exoplanet K2-18b turns out to be not so strong after all

Researchers at Cambridge University made a big splash in April last year when they announced that they had strong evidence that life existed on exoplanet K2-18b, orbiting a star 124 lightyears away.

The researchers said that their analysis of the planet's atmosphere using the James Webb Space Telescope indicated the presence of dimethyl sulphide (DMS), a molecule that, on Earth, is produced only by living organisms, mainly marine phytoplankton. — Read the rest

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