Science ❯ Astrophysics

Planetary Science

Planet Formation Gas Giants Solar System Mars Exploration Habitability Exoplanets Atmospheric Studies Planetary Atmospheres Atmospheric Composition Mars Missions Planetary Characteristics Atmospheric Dynamics Orbital Mechanics Planetary Systems Planetary Mass Exoplanet Characteristics Lunar Studies Dust Dynamics Planetary Conjunctions Rocky Planets Uranus Atmospheric Science Circumplanetary Disks Meteorology Observation Techniques Solar System Comets Mass and Temperature Auroras Celestial Objects Planetary Atmosphere Studies Planetary Growth Planetary Evolution Habitability Conditions Formation Theories Planetary Collisions Low-Mass Planets Exoplanet Discovery Metallicity Magnetosphere Astrobiology Natural Satellites Planetary Alignments Planet Characteristics Rogue Planets Planetary Orbits Thermal Structure Temperature Extremes Planetary Interiors Planetary Stability Outer Solar System Earth Rotation Ecliptic Plane Wandering Planets Comparative Planetology Planetary Habitability Planetary Nebulae Planetary Alignment Giant Planets Icy Moons Surface Analysis Hot Jupiters Disk Dynamics Climate Systems Free-Floating Planets Planetary Development Exoplanet Atmospheres Pulsars Research Volcanology James Webb Space Telescope Mass Limits Earth's Core Dynamics Planetary Destruction Planet-Disc Interactions Solar System Origins Planetary Disks Gas and Dust Disks Exoplanet Studies Hycean Planets Atmospheric Chemistry Lunar Science Young Planets Cometary Dynamics Mars Colonization Planetary Formation Core Accretion Theory Planetary Nurseries Gas Giant Formation Planetary Observation

JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf

A peer-reviewed JWST study points to a metal-poor sky over a heavy-element-rich interior, prompting a rethink of how giants form around red dwarfs.

Hubble Spots First Known Comet Spin Reversal

Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

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

Study Ties ASASSN-24fw’s 200-Day Fade to Ringed Brown Dwarf or Super-Jupiter

Kepler Data Reveal Earth-Size Planet Candidate HD 137010 b Near Star’s Habitable Edge

Giant Metal-Bearing Cloud Tied to Hidden Companion Explains Months-Long Dimming of Sun-Like Star

NASA Confirms Pandora Exoplanet Observatory Is Healthy After Launch, Begins Commissioning

SpaceX Debuts 'Twilight' Rideshare, Deploys About 40 Smallsats to Dusk–Dawn Orbit

Caltech Names Astrophysicist Ray Jayawardhana Its Next President

Saturn-Mass Rogue Planet Gets First Direct Mass and Distance Measurement

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

Microsecond X-Rays Reveal Ice XXI, a New High-Pressure Form of Ice

JWST Delivers First 3D Map of an Exoplanet's Atmosphere

Rogue Planet Devours Matter at Record 6 Billion Tons Per Second

JWST Study Finds Aurora-Driven Heating and Thermal Inversion on Nearby Rogue World SIMP-0136

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

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission

SpaceX Debuts New Falcon 9 as Starlink Launch Kicks Off Crowded Week

Study Maps Where Earth's Deep-Space Signals Leak and How SETI Should Listen