Science ❯ Astronomy ❯ Astrophysics

Planetary Formation

Protoplanetary Disks James Webb Space Telescope Exoplanets Planetesimals Debris Disks Gas Giants Moon Formation Planetary Collisions Gas and Dust Disks Mini-Earth Planets Irregular Moons Ring Formation Satellite Dynamics Planetary Evaporation Planetary Disintegration Disintegrating Planets HOPS-315 Ice Composition Planetary Systems Protoplanetary Discs Transiting Planets Exoplanetary Systems Lunar Dynamics Interstellar Material Direct Imaging Planet Hosts Data Collection Disc Instability Moon Formation Theories Core Accretion Models Primordial Planetesimal Disks Chemical Environment Moon-Moon Mergers Interstellar Comets Star Systems Atmospheric Composition Debris Clouds Stellar Remnants Debris Discs Comet Formation Planetary Migration Temperate Planets Exotic Systems Volatile Elements

Study Finds Young Sun May Have Engulfed a 5–10 Earth‑Mass Super‑Earth

MESA models published Sept. 10 predict buried chemical and structural fingerprints that could resolve key mismatches between solar models and observations.

TESS Confirms Two Jupiter‑Sized Super‑Puff Planets

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

Study Links Titan’s Moon‑Merger Origin to Saturn’s Young Rings

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

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Hubble Spots Record-Breaking, Chaotic Planet-Forming Disk ‘Dracula’s Chivito’

Hubble Reveals Largest Known Planet-Forming Disk, 'Dracula’s Chivito'

Hubble Captures Record-Breaking Chaotic Planet-Forming Disk 1,000 Light-Years Away

Hubble Catches Two Debris-Cloud Collisions at Fomalhaut, Recasting ‘Fomalhaut b’

JWST Finds Strong Evidence of a Thick Atmosphere on Molten Super-Earth TOI-561 b

Mineral Condensation Captured in Planet-Forming Disk of Protostar HOPS-315

Webb Reveals Silicate Clouds and Moon-Forming Disk in YSES-1 System