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Scientists scanned 3I/ATLAS for alien signals, here's the result

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...
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First ever X-ray of 3I/ATLAS reveals 400,000 km glowing ‘alien halo’

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...