For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...
NASA's MAVEN spacecraft went dark earlier this month while it was observing 3I/ATLAS, which some thought was an alien spacecraft before it turned out to be a comet ...
Columbia University professor David Kipping predicts humanity's first alien encounter will be with a rare, "loud" ...
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