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

A peer-reviewed model identifies a ringed sub-stellar companion as the likely cause.

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

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