3I/ATLAS: SETI Search Finds No Technosignatures, Reinforcing Natural Origin of the Interstellar Visitor

To the point

Sofia Sheikh and her SETI team used the Allen Telescope Array to search for technosignatures from the interstellar visitor 3I/ATLAS and found no signals, supporting the conclusion that it is a natural icy rocky object and showing that null results help refine methods for detecting future anomalous objects.

Search for alien technology on interstellar Comet 3I/ATLAS comes up empty
scientificamerican.com

Search for alien technology on interstellar Comet 3I/ATLAS comes up empty

Even though astronomers didn’t detect alien tech signals from a rare interstellar visitor, the results are worthwhile, they say