Potential DMS-based biosignatures on K2-18b bolster the Hycean scenario, but life detection remains unclaimed
To the point
Led by Nikku Madhusudhan, a new JWST/MIRI study finds hints of dimethyl sulfide in K2-18b's atmosphere, an indication of possible life in its Hycean ocean world, but it is not a life detection and the finding is debated, with critics such as Chris Lintott urging caution.