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Hubble Space Telescope

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Hubble Confirms First Starless Dark-Matter Cloud, ‘Cloud-9,’ a Predicted RELHIC

Deep Hubble imaging ruled out even faint starlight, making the object a benchmark for testing dark matter physics.

New X-Ray and Gemini Images Refine View of Interstellar Comet 3I/ATLAS Before Dec. 19 Earth Flyby

Hubble and Infrared Observations Show 3I/ATLAS Is an Active Interstellar Comet

Milky Way’s Fate Hinges on 50-50 Odds of Andromeda Collision

Study Finds 2% Chance of Milky Way–Andromeda Collision in 5 Billion Years