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Gas Giants

Jupiter Uranus Uranus and Neptune Hot Jupiters Jupiter-like Planets Ultrahot Jupiters Saturn Cloud Formation WASP-127b Atmospheric Composition Ultra-hot Jupiters WASP-121b Weather Phenomena Jupiter-like Exoplanets Methane Depletion Protoplanet Formation Jupiter's Atmosphere Detection Methods Ice Giants Jupiter Analogues Características de TOI-6894b Atmospheric Characteristics TOI-6894b Planet Composition Cold Giants Core Accretion Theory Ultra-Hot Jupiters YSES-1b and YSES-1c Core Accretion Characterization Planetary Detection Techniques Planetary Formation Processes Planetary Formation WISPIT 2b Comparative Planetology Planetary Systems Warm Jupiters Chemical Modeling HR 8799 Atmospheric Chemistry HR 8799 System Polar Vortices Impact Events Europa Enceladus Super-Jupiter Cold Exoplanets Cold Gas Giants Saturn-like Planets Voyager Discoveries Atmospheric Dynamics Jet Streams

JWST Spots Sulfur in HR 8799 c, Strengthening Case for Core Accretion

High-contrast spectroscopy reveals a chemical fingerprint that points super-Jupiters to a planet-building origin rather than a brown-dwarf pathway.

Juno Data Refine Jupiter’s Size, Finding the Giant Slightly Smaller and More Flattened

New Jupiter Model Finds More Oxygen and Far Slower Atmospheric Mixing

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

Astronomers Report Tentative Exomoon Around HD 206893 B Using Precision Astrometry

Early Jupiter Shaped the Inner Solar System, Study Finds

Webb Detects First Silane in Ancient Brown Dwarf, Clarifying Jupiter–Saturn Silicon Mystery

Moon Brushes Past Saturn as Pre-Dawn Five-Planet Parade Continues

New Simulations Challenge Giant-Impact Origin of Jupiter’s Fuzzy Core

New Simulations Undercut Giant-Impact Origin of Jupiter's Dilute Core

Chandra Observations Reveal Rapid Atmospheric Loss on Exoplanet TOI 1227b

Study Finds Uranus Emits 12.5% More Heat Than It Absorbs

Combined ALMA and Gaia Data Reveal Hidden Gas Giant in MP Mus’s Protoplanetary Disk

Astronomers Solicit Observations to Confirm Possible First Impact on Saturn

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

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories

JWST spots silicon monoxide and methane in WASP-121b’s atmosphere, revealing its icy origins

Study Reveals Jupiter’s Early Size and Magnetic Power