The James Webb Space Telescope has solved the mystery of Saturn's changing rotation rate, attributing it to atmospheric winds driven by the planet's aurora.
The James Webb Space Telescope has discovered a gas giant exoplanet, WASP-94A b, where rock clouds form in the morning and vanish by night.
Astronomers used the James Webb Space Telescope to analyze the super-Earth LHS 3844 b, finding it to be a dark, airless, rocky planet with a surface composition similar to basalt or Earth's mantle, likely shaped by space weathering.
The James Webb Space Telescope has found unexpected water-ice clouds on the exoplanet Epsilon Indi Ab, challenging current atmospheric models for gas giants.