By probing the atmosphere of a mini-Neptune exoplanet, the James Webb Space Telescope has found that it formed much farther from its star than it is today, possibly explaining the origin of many other mini-Neptunes in the process.

How an exoplanet odd couple survived by traveling in from the cold together

Source: space
Source Link: https://www.space.com/astronomy/exoplanets/how-an-exoplanet-odd-couple-survived-by-traveling-in-from-the-cold-together