JWST Finds Possible Biosignatures on Exoplanet K2-18 b: Strongest Yet, but Not Proof
To the point
Astronomers led by Nikku Madhusudhan using the James Webb Space Telescope detected spectral fingerprints of two life-related compounds on the exoplanet K2-18 b, the strongest hint yet of biology beyond Earth, though it’s not conclusive and non-biological explanations remain possible.