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Interstellar Objects

3I/ATLAS 3I/Atlas Comet 3I/ATLAS 31/ATLAS 3I-Atlas Comet 3I/Atlas Discovery C/2024 E1 C/2025 N1 ATLAS 3I Atlas

ALMA Finds Semi-Heavy Water in Interstellar Comet 3I/ATLAS

The heavy‑hydrogen signal points to a birth in deep cold far from other newborn stars.

Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Enrichment, Study Finds

ESA Unveils JUICE Video of Interstellar Comet 3I/ATLAS

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

ALMA Maps Show Interstellar Comet 3I/ATLAS Is Exceptionally Methanol-Rich

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

SPHEREx Detects Late Outburst From Interstellar Comet 3I/ATLAS, Revealing Organic Molecules

Impact Alert Withdrawn as Suspected Asteroid Reidentified as Interstellar Comet 3I/ATLAS

Green Bank Radio Search Finds No Signs of Technology on Interstellar Object 3I/ATLAS

No Alien Signals Detected From Interstellar Visitor 3I/ATLAS in Green Bank Scan

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

Interstellar Comet 3I/ATLAS Clears Earth as Spacecraft Capture Rare Sun‑Side Views

Putin Calls 3I/ATLAS a Harmless Comet at Marathon Press Conference

Interstellar Comet 3I/ATLAS Makes Safe, Distant Pass by Earth

Interstellar Comet 3I/ATLAS Makes Closest Pass to Earth at About 168 Million Miles

Interstellar Comet 3I/ATLAS Makes Closest Earth Pass Today at 270 Million Km

Interstellar Comet 3I/ATLAS Makes Closest Earth Pass at 270 Million Kilometers

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

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