Transmission spectroscopy

Space JWST uncovers a surprisingly cold atmosphere on the giant planet HATS-6 b

A Jupiter-sized world around a tiny red star is colder and chemically stranger than expected, deepening a planet-formation mystery.

Space JWST finds rare planet with different atmospheric conditions at dawn and dusk Joseph Shavit

Space JWST finds methane in the atmosphere of a rare temperate Saturn-sized planet Joseph Shavit