The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...
In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...
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Scientists aimed radio dishes at interstellar comet 3I/ATLAS to test for alien signals
Astronomers turned the Allen Telescope Array toward interstellar comet 3I/ATLAS, formally designated C/2025 N1 (ATLAS), ...
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