Searching for alien signals sounds like a question of which star to aim a telescope at. It’s also a question of when to listen, because a civilization sending a focused radio beam toward Earth might ...
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A comet from another star system flew through our solar system and scientists checked it for alien signals
In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from anywhere nearby. Called 3I/ATLAS, it was travelling so fast and on such an ...
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