Planetary Atmospheres

Chemical Composition Water Vapor Atmospheric Composition Gas Composition Super-Puff Planets Habitability Rocky Planets Geological Activity Free-Floating Planets Comparative Planetology

10 ARTICLES

1h ago

L 98-59 d Identified as Sulfur-Rich Magma-Ocean World, Study Finds

A Nature Astronomy analysis ties Webb spectra to interior modeling, interpreting the low density plus sulfur gases as evidence of a long‑lived molten mantle.

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4 ARTICLES

last mo.

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

4 ARTICLES

6mo ago

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

3 ARTICLES

6mo ago

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

5 ARTICLES

7mo ago

JWST Finds No Atmosphere on TRAPPIST-1d, Removing It From Earth-Analog List

3 ARTICLES

7mo ago

Framework for Lava Planet Evolution Secures 100 Hours of JWST Time

5 ARTICLES

9mo ago

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b

5 ARTICLES

10mo ago

Potential Biosignatures Detected on Exoplanet K2-18b Challenge Understanding of Life Beyond Earth

9 ARTICLES

10mo ago

Potential Biosignature Detected on Exoplanet K2-18b

12 ARTICLES

11mo ago

Potential Biosignatures Detected on Exoplanet K2-18b

4 ARTICLES

last yr.

BepiColombo Flyby Reveals Complex Magnetic Features on Mercury

5 ARTICLES

last yr.

NASA Confirms Existence of Long-Hypothesized Ambipolar Electric Field

7 ARTICLES

last yr.

NASA Confirms Earth's Long-Hypothesized Ambipolar Electric Field

8 ARTICLES

last yr.

NASA Confirms Existence of Earth's Ambipolar Electric Field

5 ARTICLES

last yr.

Impact Vaporization Identified as Key to Moon's Atmosphere

Planetary Atmospheres

L 98-59 d Identified as Sulfur-Rich Magma-Ocean World, Study Finds

Kepler Archive Yields Earth-Size Planet Candidate with Yearlike Orbit

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

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

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

JWST Finds No Atmosphere on TRAPPIST-1d, Removing It From Earth-Analog List

Framework for Lava Planet Evolution Secures 100 Hours of JWST Time

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Planetary Atmospheres

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b

Potential Biosignatures Detected on Exoplanet K2-18b Challenge Understanding of Life Beyond Earth

Potential Biosignature Detected on Exoplanet K2-18b

Potential Biosignatures Detected on Exoplanet K2-18b

BepiColombo Flyby Reveals Complex Magnetic Features on Mercury

NASA Confirms Existence of Long-Hypothesized Ambipolar Electric Field

NASA Confirms Earth's Long-Hypothesized Ambipolar Electric Field

NASA Confirms Existence of Earth's Ambipolar Electric Field

Impact Vaporization Identified as Key to Moon's Atmosphere

Never miss stories about

Planetary Atmospheres