Science ❯ Astronomy

Planetary Atmospheres

Chemical Composition Atmospheric Composition Gas Giants Magnetic Fields Temperature Variations Jupiter Ionosphere Atmospheric Studies Mercury CO2 Photolysis

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 Maps Tie Saturn’s Rotation Mystery to an Aurora-Driven Heat Loop

NASA Unveils Paired Webb and Hubble Views of Saturn

JWST Charts Uranus’s Upper Atmosphere in 3D, Exposing Auroral Bands and a Cooling Trend

JWST Spots Sulfur in HR 8799 c, Strengthening Case for Core Accretion

Earth-Size, Yearlong-Orbit Exoplanet Candidate Found 146 Light-Years Away

JWST Maps Comet-Like Helium Escape From Super-Puff Exoplanet WASP-107b

Mars Dust Devils Clock 160 km/h in New Orbital Study

JWST Reveals Unexplained ‘Dark Beads’ and Asymmetric Star Pattern Over Saturn’s North Pole

Webb Spots Methane Gas Above Dwarf Planet Makemake

Study Finds Uranus Emits 12.5% More Heat Than It Absorbs

JWST spots silicon monoxide and methane in WASP-121b’s atmosphere, revealing its icy origins

Uranus Stellar Occultation Reveals New Atmospheric and Orbital Insights

James Webb Telescope Captures Neptune's Auroras for the First Time

Astronomers Detect Record-Breaking Supersonic Winds on Exoplanet WASP-127b

Hubble Reveals Jupiter's Great Red Spot Is Oscillating Unpredictably

New Massive Volcano Discovered on Jupiter’s Moon Io

Newly Discovered Exoplanet Defies Expectations by Retaining Atmosphere

JWST Maps Atmospheric Conditions of Exoplanet WASP-43b