Space Exploration

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New UC Santa Cruz Model Explains JWST’s Steam‑Rich Sub‑Neptunes

Published in The Astrophysical Journal, the framework connects observed water vapor to supercritical, superionic phases inside these planets to guide upcoming observations.

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Webb and SPHEREx Map CO2‑Dominated Coma of Interstellar Visitor 3I/ATLAS

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UC Santa Cruz Model Recasts Sub‑Neptune ‘Steam Worlds’ With Colder, Smaller Interiors

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Space Exploration

New UC Santa Cruz Model Explains JWST’s Steam‑Rich Sub‑Neptunes

Webb and SPHEREx Map CO2‑Dominated Coma of Interstellar Visitor 3I/ATLAS

UC Santa Cruz Model Recasts Sub‑Neptune ‘Steam Worlds’ With Colder, Smaller Interiors

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

Japan Probes Brilliant Fireball Over Kyushu That Likely Broke Up Over the Pacific

Parker Solar Probe Confirms Long-Standing Solar Reconnection Theory In Situ

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

NASA Seeks Industry Feedback for 100 kW Lunar Fission Power System

Study Warns Moonquakes and Thrust Faults Endanger Long-Term Lunar Habitats

AST SpaceMobile Plans 45–60 Satellites by 2026 With Monthly Launch Cadence

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Space Exploration

SpaceX Plans Back-to-Back Starlink Launches From Vandenberg

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

SpaceX Targets 100th Falcon 9 Flight as It Launches Starlink and Kuiper Satellites

Hubble Network Orders Muon Space’s 500 kg MuSat XL Satellites for Global Bluetooth Tracking

JWST Detects Oldest Active Quasar and Direct-Collapse Black Hole Seed

Lifetime Asteroid Death Risk Exceeds Rabies but Falls Far Short of Car Crashes

Mars Express Uncovers Fault Lines and Ice Flows at Western Acheron Fossae

ArXiv Study Exposes Daunting Propulsion Demands for 3I/ATLAS Intercept

NASA Declares Interstellar Visitor 3I/ATLAS a Natural Comet, Not Alien Spacecraft

Michele Dougherty Named First Female UK Astronomer Royal

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Space Exploration