Astronomy

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Webb and SPHEREx Confirm CO2-Dominated Coma on Interstellar Comet 3I/ATLAS

New measurements fix an unusually high CO2-to-water ratio, quantifying gas output ahead of the object’s late-October perihelion.

Total Lunar Eclipse to Turn Harvest Moon Red on September 7

SpaceX Confirms Starship Flight 10 Breakthroughs As Falcon 9 Reuse Sets New Marks

Webb Reveals Butterfly Nebula’s Hidden Core and Planet-Building Dust

September 2025 Lunar Haircut Guide Sets Phase-Based Dates and Flags Eclipse No‑Cut Windows

Total Lunar Eclipse on Sept. 7–8 Will Turn the Moon Red Across Europe, Africa, Asia and Australia

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

SpaceX Dragon Arrives With 5,000 Pounds of Cargo as ISS Crew Preps September Reboost

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Astronomers Directly Image Newborn Planet in Multi-Ringed Disk in First Clear Case

Automatic Piston CPR Device Meets Guidelines in Simulated Microgravity

Starship Notches Breakthrough Tenth Test With First Payload Deployment and Controlled Splashdowns

SpaceX’s Starship Flight 10 Deploys First Payload and Nails Planned Splashdowns

DKIST Delivers Sharpest-Ever Solar Flare Images in Peer-Reviewed Study

Webb and SPHEREx Confirm CO2-Dominated Coma Around Interstellar Comet 3I/ATLAS

Reanalysis Sharpens 1977 'Wow!' Signal: Stronger, Higher-Frequency, Tighter Origin

SpaceX's Starship Completes Tenth Test With Booster Recovery and Upper-Stage Splashdown

NASA and IBM Release Surya, an Open Heliophysics AI to Boost Space-Weather Forecasts

Bennu Samples Tie Asteroid Color Differences to Surface Exposure Age

Brightest Fast Radio Burst Precisely Located in Nearby Galaxy Using CHIME Outriggers

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