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Technosignatures

3I/ATLAS Detection Methods Synthetic Biology Search Methods SETI Research Scientific Evidence Alien Technology

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

Researchers say the object's behavior matches known comet physics.

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission