Science ❯ Astrophysics

Planetary Science

Gas Giants Planet Formation Mars Exploration Solar System Habitability Exoplanets Mars Missions Atmospheric Composition Atmospheric Dynamics Planetary Atmospheres

JWST Reveals Lemon-Shaped Pulsar Companion With Carbon–Helium Atmosphere

Spectra reveal molecular carbon in a helium-dominated atmosphere with extreme elemental ratios that existing formation theories fail to explain.

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

Rogue Planet Cha 1107-7626 Undergoes Record Accretion Burst Detected by JWST and VLT

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

Webb Telescope Finds 250°C Auroral Heating on Nearby Brown Dwarf

Astronomers Confirm Tiny Quasi‑Moon 2025 PN7 Shadowing Earth for Decades

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

Rectangular Mirror Concept Promises Simpler Space Telescope for Finding Nearby Earth-Size Planets

Webb Spots Tiny New Uranian Moon, Lifting Planet’s Count to 29

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

Study Proposes Dark Matter Could Spawn Planet-Devouring Black Holes Inside Gas Giants

Webb Uncovers Provisional Saturn-Mass Exoplanet in Alpha Centauri A’s Habitable Zone

NASA Seeks Industry Feedback for 100 kW Lunar Fission Power System

Webb Telescope Rules Out Atmosphere on Earth-Sized Exoplanet TRAPPIST-1 d

James Webb Uncovers Massive Early Galaxies and a Fading Exoplanet Candidate

Alpha Centauri A’s Suspected Gas Giant Evades 2025 JWST Searches