Science ❯ Astronomy ❯ Planetary Science

Planetary Atmospheres

Uranus Atmospheric Composition Neptune Chemical Composition Hydrogen and Helium Atmospheres Weather Cycles Auroras Volatile Gases Ultra-hot Neptunes Magma Oceans

ALMA Finds Deep Carbon Monoxide That Points to an Ice-Rich Uranus

New maps found carbon monoxide deep in Uranus’s atmosphere, implying an interior with large amounts of water ice and a closer kinship to Neptune.

Study Reports Tenuous Atmosphere on a 500-Kilometer Kuiper Belt World

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

James Webb Delivers First 3D Map of Uranus’s Upper Atmosphere

Kepler Data Reveal Earth-Size Planet Candidate HD 137010 b Near Star’s Habitable Edge

JWST Reveals Pulsar-Orbiting ‘Lemon’ Planet With Helium–Carbon Atmosphere

Webb Finds Carbon-Rich Atmosphere on Lemon-Shaped Planet Orbiting a Pulsar

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

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

JWST Rules Out CO2-Dominated Sky on TRAPPIST-1e

Webb Telescope Rules Out Atmosphere on Earth-Sized Exoplanet TRAPPIST-1 d

Five Papers Showcase NIRPS’s Exoplanet Discoveries and High-Precision Performance

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

Astronomers Discover Rare Disintegrating Exoplanet with Massive Dust Tail

Hubble's 20-Year Study Reveals Uranus's Dynamic Atmosphere and Seasonal Changes

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

New Model Reveals Layered Interiors of Uranus and Neptune

James Webb Telescope Maps Asymmetry in Puffy Exoplanet's Atmosphere

New Discoveries on HD 189733b Reveal Extreme Conditions and Unusual Atmospheric Composition

Newly Discovered Exoplanet Defies Expectations by Retaining Atmosphere