The Hubble Space Telescope has observed the smallest planet outside our solar system to contain water vapor in its atmosphere, a “landmark discovery” that brings astronomy a step closer to characteri… [+1943 chars]Read More
Landmark Discovery Hubble Detects Water Vapor in Smallest Exoplanet to Date ScienceAlert
![](https://www.sciencealert.com/images/2024/01/WaterVaporHubble.jpg)