New study says comet 3I/ATLAS might be oldest interstellar visitor ever YahooNASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS NASA Science (.gov)Scientists scanned an interstellar visitor for alien signals… what they found was unexpected MSNThe interstellar comet 3I/ATLAS, discovered by a telescope in Chile, is about 7 billion years old, Oxford astronomers believe, meaning it had already been wandering in the Milky Way for almost 3 billion years. Vive ClickA rare interstellar visitor triggered a SETI search for alien technology ScienceDaily
