'Landmark Discovery': Hubble Detects Water Vapor in Smallest Exoplanet to Date

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/01/WaterVaporHubble.jpg" alt="Illustration of a blue planet"/>
97 light-years away.

https://www.sciencealert.com/landmark-discovery-hubble-detects-water-vapor-in-smallest-exoplanet-to-date