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Should we prepare for alien invasion? The curious case of 3I/ATLAS and what it might mean

Should we prepare for alien invasion? That question has gained new urgency with the appearance of interstellar visitor 3I/ATLAS. This object is not bound to our Sun. It arrived from beyond our solar ...
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Interstellar visitor 3I/ATLAS sparks alien theories

Our solar system’s interstellar visitor – 3I/ATLAS – apparently has ‘jet thrusters’, a scientist has suggested. The comet is the third time an object not from our star system has wound up in our ...