Science ❯ Astronomy ❯ Planetary Formation

Gas Giants

Jupiter Theories of Formation Gravitational Collapse Saturn Hot Jupiters Direct Imaging Jupiter's Evolution Super-Puff Exoplanets Hydrogen and Helium Core Accretion Theory

Late-Blooming Rocky World, JWST Chemistry Recast Planet Formation

Fresh observations point to diverse assembly paths, with HR 8799’s enriched giants favoring core accretion.

Jupiter Nears Opposition, Set to Dominate the Night Sky on January 10

JWST Maps Comet-Like Helium Escape From Super-Puff Exoplanet WASP-107b

JWST Finds Silicate Vapor and Night-Side Methane on Ultra-Hot Jupiter WASP-121b

Study Reveals Jupiter’s Early Size and Magnetic Power

Saturn’s Rings May Be as Old as the Planet, Study Suggests