A scan of 10.3 million stars turns up no sign of aliens - yet

Scientists have completed the broadest search to date for extraterrestrial civilizations by scanning roughly 10.3 million stars using a radio telescope in Australia, but have found nothing - not yet, at least. Seeking evidence of possible life beyond our solar system, the researchers are hunting for "technosignatures" such as communications signals that may originate from intelligent alien beings. Using the Murchison Widefield Array (MWA) telescope in the outback of Western Australia, they searched for low-frequency radio emissions - frequencies similar to FM radio - from stars in the constellation of Vela.

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