Daily Express US on MSN13h
NASA expert on how world would respond to aliens contacting EarthSylvester Kaczmarek, a space expert formerly associated with NASA, has laid bare the protocols if an alien signal reaches ...
Daily Express US on MSN20h
NASA expert predicts what world would do if aliens made contact with EarthThe former NASA expert said a call from another world could potentially be picked up by large ground-based telescopes - but ...
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