Science ❯ Astronomy ❯ Astrobiology

Planetary Atmospheres

Chemical Composition Sulfur-rich Atmospheres Chemical Signatures Circumplanetary Disks Molecular Analysis Sulphur Gases Methane Chemistry Water Loss Water Presence Methane Detection

JWST Finds Record-Low Metallicity in ‘Forbidden’ Giant Planet Around a Red Dwarf

The record-low atmospheric metal content challenges how giant planets assemble around small stars.

JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf

JWST Helps Reveal Sulfur-Rich Magma-Ocean World L 98-59 d

CHEOPS Reveals 'Inside-Out' Four-Planet System Around Red Dwarf LHS 1903

Nature Study Weighs Four Young V1298 Tau Planets, Revealing Ultra‑Low Densities

Webb Reveals Silicate Clouds and Moon-Forming Disk in YSES-1 System

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories

JWST Finds Silicate Vapor and Night-Side Methane on Ultra-Hot Jupiter WASP-121b

JWST Captures Unprecedented Detail of Planets Forming Around Star PDS 70

New Observations Suggest TRAPPIST-1 b May Have an Atmosphere or Active Geology

Astronomers Uncover Evidence of Volcanic Exomoon Around WASP-49b

James Webb Telescope Maps Asymmetry in Puffy Exoplanet's Atmosphere

New Insights Reveal Mars' Water Loss to Space