Science ❯ Astronomy ❯ Astrophysics

Planetary Formation

Protoplanetary Disks James Webb Space Telescope Planetesimals Exoplanets Debris Disks Gas and Dust Disks Primordial Planetesimal Disks Core Accretion Models Direct Imaging Mini-Earth Planets

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

Multiwavelength data show visible dimming with an infrared spike, signaling hot debris from an impact.

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

JWST Sees Protostar Forge Crystals in Outbursts, Then Hurl Them to Comet-Building Zones

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'

JWST Study Reveals 'Lemon-Shaped' Pulsar Companion With Helium–Carbon Atmosphere

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

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

Webb Finds Helium–Carbon Atmosphere on First Hot Jupiter Known Around a Pulsar

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

Webb Spots Tiny New Uranian Moon, Lifting Planet’s Count to 29

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

Astronomers Observe First Solid Condensation of Rocky Planet Precursors Around Distant Star

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

Webb Telescope Confirms First Extraterrestrial Water Ice in Young Star System

Astronomers Confirm Discovery of Rare Disintegrating Exoplanet BD+05 4868 Ab

Astronomers Unveil Disintegrating Exoplanet with Record-Breaking Dust Tail

Saturn's Moon Count Soars to 274 with Discovery of 128 New Satellites