Scientists reveal 'most promising yet' signs of alien life on planet k2-18b

Scientists have discovered evidence of large quantities of biosignature chemicals — only known to be made by life on Earth — on an exoplanet more than 100 light-years away. It could be the most promising sign yet of alien life.

Apr 17, 2025 - 14:16
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Scientists reveal 'most promising yet' signs of alien life on planet k2-18b
Scientists have discovered evidence of large quantities of biosignature chemicals — only known to be made by life on Earth — on an exoplanet more than 100 light-years away. It could be the most promising sign yet of alien life.