For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking ...
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A shadow, a signal, and the search: How scientists are using Earth’s shadow to find aliens
For decades, astronomers have searched the skies for alien radio signals but with little success. A new study argues the problem might not be absence of signals but timing and direction. The research, ...
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