Science ❯Astronomy ❯Planetary Science

Gas Giants

Jupiter Uranus Hot Jupiters Jupiter-like Planets Saturn Ultrahot Jupiters Uranus and Neptune WASP-127b Atmospheric Composition Cold Gas Giants

Moon Brushes Past Saturn and Neptune as Pre-Dawn Planet Parade Continues

Both planets brighten toward opposition, offering favorable views over the next few weeks.

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

Gaia and ALMA Data Confirm Giant Planet in Formation Around MP Mus

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

Giant Exoplanet Orbits Tiny Red Dwarf, Defying Planet Formation Theory

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

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

Study Reveals Jupiter’s Early Size and Magnetic Power

Study Reveals Jupiter Was Once Twice Its Current Size with a Magnetic Field 50 Times Stronger

Study Reveals Jupiter’s Early Size and Magnetic Strength Far Surpassed Current Levels

Scientists Confirm 'Mushball' Hailstorms on Jupiter, Redefining Gas Giant Weather

Hubble Reveals Uranus’ Day Is 28 Seconds Longer Than Previously Measured

Hubble's 20-Year Study Reveals Uranus's Dynamic Atmosphere and Seasonal Changes

Astronomers Map First 3D Atmosphere of Distant Exoplanet WASP-121b