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Planet Formation

Protoplanetary Disks Exoplanets Gas Giants Protoplanetary Discs Rocky Planets Debris Disks Jupiter Theia Free-Floating Planets Rogue Planets Orbital Dynamics HOPS-315 Protoplanets Meteorites Planetesimals Giant Planets 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 Chemical Composition 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 Planetary Atmospheres Building Blocks of Planets Proto-planetary Disk Accretion Processes Super Earths Circumbinary Environments Gravitational Effects Water Production Cosmochemistry Water Origins Hidden Planets LHS 1903 LHS 1903 System Planet Occurrence Rates Carbon Dioxide Disks Super Jupiters Metallic Asteroids Planetary Systems Super-Puff Planets Theia Hypothesis Atmospheric Composition M Dwarf Stars Exoplanet Detection Techniques 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 Dust and Gas Disks Brown Dwarfs Cosmic Dust

Study Finds Earth’s Phosphorus and Nitrogen Came From the Inner Solar System

Laboratory recreations of iron‑meteorite cores and geochemical accretion models show Jupiter’s growth blocked cross‑disk transport and produced opposing P/N gradients that favored inner‑system sources for Earth.

Supermassive Black Hole Dust Rings Could Spawn Millions of Planets

Six Young Red Dwarfs Show Signs of Swallowing Earth‑Sized Rocky Planets

TESS Survey Identifies 27 Candidate Two‑Star Planets

JWST Detects Methane From Interstellar Comet 3I/ATLAS

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