Science ❯ Astronomy ❯ Planetary Science

Planetary Formation

Exoplanets Mars Formation Planet Y Pluto and Charon Planetary Evolution Kiss and Capture Mechanism Giant Planets Planetary Destruction Solar System Origins Collisions Star Systems Volcanic Moons Core Formation Planet-Forming Disks Outer Solar System Planetary Accretion Planetary Demise Orbital Dynamics Evaporation Processes Debris Trails Planetary Decay Solar System Formation Atmospheric Loss Cosmic Fossils Cosmic Debris Cryovolcanism Binary Star Systems Rocky Planets with Metallic Cores Triaxial Shape Impact Simulations Small Bodies Exoplanetary Systems Uranus and Neptune Extraterrestrial Materials Building Blocks of Planetary Systems Giant Impact Hypothesis Theia Lunar Formation Isotopic Analysis Planetary Architectures Moon Formation Debris Disks Jupiter's Moons Massive Moons Cosmic Dust Asteroids Impact Craters Debris Discs Cosmic Collisions

New Study Links Titan Moon Merger to the Birth of Saturn’s Rings

The proposal relies on simulations and awaits confirmation.

Stories older than 24h

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

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

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

Study Challenges 'Ice Giant' Label for Uranus and Neptune

SPHERE Survey Delivers 51 Resolved Debris Disks, Revealing Planet-Shaped Rings and Prime Follow-Up Targets

Study Traces Moon-Maker Theia to the Inner Solar System

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

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

Psyche Spacecraft Snaps Distant Earth–Moon Portrait During Instrument Checkout

Chandra Observations Reveal Rapid Atmospheric Loss on Exoplanet TOI 1227b

New Distant Sednoid ‘Ammonite’ Casts Doubt on Planet Nine Hypothesis