The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.
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3I/ATLAS interstellar comet or alien spacecraft? See it yourself today as it makes closest approach to planet
3I/ATLAS interstellar comet or alien spacecraft? This question gained attention after NASA released new images of comet 3I/ATLAS on 18 December. The images were captured by the Europa Clipper ...
A Pentagon release of new UFO footage has revived the question of whether aliens could realistically travel to Earth.
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