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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 ...

SETI thinks it could have missed calls from aliens. Here's why

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.