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Astronomers spot something huge creeping through space beside Earth

Astronomers tracking the skies around our planet have picked up two very different cosmic companions: a vast interstellar ...
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'Alien Mothership' Hypothesis Test: Why 3I/ATLAS's Perihelion Thrust Is Crucial

Astronomers are preparing for a decisive test as interstellar object 3I/ATLAS reaches its perihelion on 29 October 2025, when it will pass behind the Sun. The comet—formally designated C/2025 P1 ...