Are Aliens Already Watching? How Earth’s Technosignatures Shine Across the Galaxy
If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...
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Signs of alien life could be lurking in hard-to-reach hidden spot on distant icy planets
THE search for alien life across our Solar System and beyond has so far kicked up nothing ... with layers that resist vertical mixingCredit: European Space Agency The physics of alien oceans ...
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What 'Arrival' got right about communicating with space aliens
If earthlings ever make contact with intelligent space aliens ... of course, but aliens might use numbers, shapes, tones or something beyond our imagining. Will we know how to respond to them ...