In this illustration, exoplanet Kepler-138 d is in the foreground and Kepler-138 c is on the left. In the background, Kepler 138 b is passing in front of its
NASA's James Webb Space Telescope studies the atmosphere of a mysterious distant planet. In a significant scientific breakthrough, a team of researchers has gained remarkable insights into the enigmatic atmosphere of a celestial body known as a "mini-Neptune.