Science ❯ Astronomy ❯ Planetary Science

Planet Formation

Protoplanetary Disks Exoplanets Protoplanetary Discs Jupiter Rocky Planets Gas Giants Theia Debris Disks Free-Floating Planets Rogue Planets HOPS-315 Giant Planets Protoplanets Planetesimals Orbital Dynamics Milky Way Dust Grains Photoevaporation Cha 1107-7626 Water Ice Interstellar Objects Material Composition Protostars Dust and Gas Accumulation Circumplanetary Disks PDS 70 System Earth-sized Planets Giant Impacts Debris Fields Dust Dynamics Internal Heat Gas Giant Planets Volcanism Interstellar Medium Magma Worlds Molecular Clouds Chemical Conditions Metallicity Mercury Formation Chondrules Binary Systems Gravitational Influence Core Accretion Sub-Earth Planets Radial Velocity Method Moon Formation Wispit 2b Exoplanet Characteristics Building Blocks of Planets Meteorites Proto-planetary Disk Accretion Processes Super Earths Gravitational Effects Water Production Cosmochemistry Water Origins Hidden Planets LHS 1903 LHS 1903 System Planet Occurrence Rates Carbon Dioxide Disks Super Jupiters Super-Puff Planets Theia Hypothesis Atmospheric Composition M Dwarf Stars Isotopes Theia and Earth Collision Terrestrial Planets Accretion Models Jupiter Formation Planet Composition Planetary Destruction Theia and Moon Formation Planet Nine Earth-like Planets WISPIT 2b Super Puff Planets Dust Disks Early Planet Formation Brown Dwarfs Cosmic Dust

JWST Detects Methane From Interstellar Comet 3I/ATLAS

The finding points to buried ices venting after perihelion.

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

Second Infant Planet Confirmed Forming Around Nearby Star WISPIT 2

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

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

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

ALMA’s ARKS Survey Delivers Sharpest-Ever Map of 24 ExoKuiper Belts

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Saturn-Mass Rogue Planet Gets First Direct Mass and Distance Measurement

Study Traces Moon-Maker Theia to the Inner Solar System

Science Study Points to Inner‑Solar‑System Origin for Moon‑Forming Impactor Theia

Large TESS Survey Finds Close-In Giant Planets Scarcer Around Evolved Stars

Lab Experiments Reveal Planets Can Make Water From Hydrogen–Magma Reactions

TOI-2267 Becomes First Binary With Planets Transiting Each Star

Early Jupiter Shaped the Inner Solar System, Study Finds

First Detection of Heavy Water in a Planet-Forming Disk Points to Prestellar Origins

Rogue Planet Cha 1107‑7626 Caught in Record Growth Spurt at 6 Billion Tons per Second

Webb Makes First Direct Chemical Reading of a Moon-Forming Disk Around CT Cha b

Interstellar Comet 3I/ATLAS Tied to New Planet 'Seeding' Hypothesis

ALMA Maps Fomalhaut’s Warped Debris Ring, Pointing to Hidden Planet Sculptors