Jwst

2 articles

The exoplanet WASP-94A b showing dynamic magnesium silicate cloud cycles forming in the morning and dissipating by evening, observed by the James Webb Space Telescope.

JWST spots cloud cycles on exoplanets with new method

On the distant exoplanet WASP-94A b, astronomers using the James Webb Space Telescope (JWST) have observed magnesium silicate clouds forming in the morning and completely dissipating by evening, revea

Jina Park·June 5, 2026

The James Webb Space Telescope in orbit, focusing its instruments on the distant, temperate gas giant exoplanet TOI-199b, highlighting the detection of methane.

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