Deep Frontiers
JWST Detects Methane in Atmosphere of Temperate Exoplanet TOI-199b
On a world the size of Saturn, bathed in a balmy 79 degrees Celsius, the James Webb Space Telescope has pierced the veil of exoplanet TOI-199b, pinpointing methane, a fundamental organic molecule.
Mateo Rojas·June 1, 2026