Science ❯ Planetary Science

Planetary Atmospheres

Chemical Composition Gas Composition Atmospheric Composition Habitability Super-Puff Planets Rocky Planets Helium Detection Water Vapor Geological Activity Sulfur-rich Atmospheres Hydrogen-Rich Atmospheres Auroras Habitability Factors Atmospheric Dynamics Earth's Atmosphere Cloud Formation Coronal Mass Ejections Radiation Effects Habitability Limits Molecular Chemistry Gas Giants Cloud Composition Hydrogen-rich Atmosphere Hydrogen Atmospheres Carbon Compounds Heat Regulation Comparative Planetology Secondary Atmospheres Pressure Conditions Exoplanets Extreme Environments Free-Floating Planets Metallicity Atmospheric Studies Ionosphere Exospheres Magma Oceans Chemical Signatures Helium Internal Dynamics

Nearby Super‑Earth GJ 3378b Confirmed in Red Dwarf Habitable Zone

A June 30 peer‑reviewed study says the planet is a roughly two‑Earth‑mass world that could hold liquid water if it retains an atmosphere, prompting plans for direct‑imaging follow‑up.

Webb Finds Salt Clouds Veiling the Atmosphere of GJ 504 b

JWST Finds Salt Clouds Veiling the Pink Planet GJ504b

Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

Webb Spots Carbon-Rich, Lemon-Shaped Planet Orbiting a Pulsar

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

JWST Maps Giant Dual Helium Tails Streaming From Ultra-Hot Jupiter WASP-121 b

Scientists Detect Habitable-Zone ‘Super‑Earth’ GJ 251 c Just 18 Light‑Years Away

New UC Santa Cruz Model Explains JWST’s Steam‑Rich Sub‑Neptunes

Framework for Lava Planet Evolution Secures 100 Hours of JWST Time

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b