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Harper Maddox
- 18 April 2025
James Webb Telescope Finds High Levels of Life-Linked Gases on Exoplanet K2-18b
Astronomers using the James Webb Telescope have detected strong biosignatures—gases linked to life—on exoplanet K2-18b. This hydrogen-rich planet, orbiting in the habitable zone, shows surprising amounts of chemicals usually made by microbes. Experts urge caution, but this could be a game-changer in the hunt for alien life.
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