In a groundbreaking discovery, astronomers have detected a unique, repeating cosmic radio signal originating from an unknown object in space. The mysterious signal, detected every 44 minutes, is ...

(CNN) — Scientists are trying to solve a decade-long mystery by determining the identity of anomalous signals detected from below ice in Antarctica. The strange radio waves emerged during a search for ...

Astronomers in Australia picked up a strange radio signal in mid-June — one near our planet and so powerful that, for a moment, it outshined everything else in the sky. The ensuing search for its ...

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