<ul><li>Astronomers using the James Webb Space Telescope have found chemical hints in the atmosphere of the distant planet K2-18b that may be linked to biological activity.</li><li>The presence of dimethyl sulfide (DMS) and dimethyl disulfide (DMDS) on the planet, which are molecules produced by living organisms on Earth, has raised speculation about possible alien life.</li><li>Scientists have reached a 'three-sigma' certainty level in detecting these molecules, indicating a 0.3% chance of it being a fluke, but they aim for a more definitive 'five-sigma' level for confirmation.</li><li>Further observations with JWST could provide more clarity, as K2-18b is a 'Hycean' planet with a hydrogen-rich atmosphere that might harbor these sulfur-based gases indicative of life.</li></ul>

Scientists detect strongest clues yet of alien life on a distant planet

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