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Scientists found life-linked molecules on exoplanet K2-18b, but new studies question if they indicate life.
Scientists detected molecules on K2-18b, an exoplanet 124 light-years away, that are linked to life on Earth.
However, recent studies by three independent teams cast doubt, showing these molecules can form without life.
The noisy data and increased temperature estimates complicate the assessment of K2-18b's habitability, highlighting the challenges in finding extraterrestrial life.
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Los científicos han encontrado moléculas vinculadas a la vida en el exoplaneta K2-18b, pero nuevos estudios cuestionan si indican vida.