Orbiting the cool #DwarfStar K2-18, the exoplanet, 2.6 times the radius of #Earth, lies in what #Nasa calls the habitable zone, a region around a star where planets with liquid #water may be present.

Nasa says distant #exoplanet could have rare #WaterOcean and possible hint of life | Nasa | The Guardian
https://www.theguardian.com/science/2023/sep/11/nasa-planet-ocean-life-james-webb-telescope