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Exoplanets

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

A peer-reviewed JWST study points to a metal-poor sky over a heavy-element-rich interior, prompting a rethink of how giants form around red dwarfs.

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Second Infant Planet Confirmed Forming Around Nearby Star WISPIT 2

Cornell Team Publishes Vetted List of 45 Rocky Exoplanets Most Likely to Host Life

Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

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

Astronomers Tie Distant Star’s Chaotic Fading to Evidence of a Planetary Collision

SETI Study Finds Stellar Space Weather May Be Masking Narrowband Technosignatures

Astronomers Map 'Teenage' Planetary System TOI-2076, Revealing Photoevaporation at Work

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

NASA Veteran Gentry Lee: Life Likely Exists Elsewhere, No Evidence of Visits to Earth

Study Ties Planetary Habitability to a Narrow Oxygen Window in Core Formation

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

Astronomers Find Rare ‘Inside-Out’ Planetary System With Rocky Outer World

Late-Blooming Rocky World, JWST Chemistry Recast Planet Formation

Study Ties ASASSN-24fw’s 200-Day Fade to Ringed Brown Dwarf or Super-Jupiter

Rocky Outer Planet in LHS 1903 System Upends Planet-Formation Models

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

Study Finds Planetary Oxygen at Birth Controls Life-Critical Phosphorus and Nitrogen

Juno Data Refine Jupiter’s Size, Finding the Giant Slightly Smaller and More Flattened

Kepler Archive Reveals Earth-Size Exoplanet Candidate Near Habitable Zone