The Cool Down on MSN
California scientists scanned 3I/ATLAS for alien tech, and found only Earth-based noise
"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...
BBC Sky at Night Magazine on MSN
Aliens could detect our airports. Scientists say radar signals could reveal our presence across the galaxy
Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...
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