Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...
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 ...
A lot of serious scientists are searching for signs of alien life. Most of them are looking really, really far away—often in ...
Miami: European researchers said on Monday they have devised the first tiny motion detector that could help find microscopic life ...
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