Science ❯ Planetary Science

Planet Formation

Solar System Gas Giants Rocky Planets Jupiter Accretion Gas Escape Circumstellar Disks Atmospheric Analysis Multi-Star Systems Astrophysics Water Worlds Core Accretion Metal-rich asteroids Massive Planets Meteorite Impact Proto-Earth Habitability Atmospheric Studies Planetary Systems Water Ice Planetary Characteristics Cosmic Nurseries Modeling Techniques Core Dynamics Gravitational Influence Gas and Dust Disks Interstellar Objects Atmospheric Composition Galactic Structure Chemical Composition Extreme Environments Extraterrestrial Objects Disk Dynamics Formation Mechanisms Planetary Evolution Outer Solar System

JWST Reveals Pulsar-Orbiting ‘Lemon’ Planet With Helium–Carbon Atmosphere

Its composition leaves the planet’s origin unresolved, prompting new hypotheses and follow-up observations.

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

Lab Experiments Reveal Planets Can Make Water From Hydrogen–Magma Reactions

Webb Makes First Direct Chemical Reading of a Moon-Forming Disk Around CT Cha b

Simulations Point to Carbon as Trigger for Earth’s Inner-Core Formation

UC Santa Cruz Model Recasts Sub‑Neptune ‘Steam Worlds’ With Colder, Smaller Interiors

Rare Jet-Driven Bubble Warps Protoplanetary Disk in WSB 52