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Planet Formation

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

NASA Advances PRIMA Far‑Infrared Telescope Into Phase B

Preliminary design and technology work will be reviewed to decide whether the mission moves to implementation under a $1.2 billion project cap.

Astronomers Confirm Elias 2-24 b as Youngest Known Planet

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

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