James Webb Space Telescope studies mysterious exoplanet with a possible watery past

The James Webb Space Telescope has taken a closer look at a mysterious "mini-Neptune" that is like nothing found in the solar system and may have had a watery past.

James Webb Space Telescope studies mysterious exoplanet with a possible watery past
The James Webb Space Telescope has taken a closer look at a mysterious "mini-Neptune" that is like nothing found in the solar system and may have had a watery past.