Most alien-signal searches listen to a narrow part of the radio spectrum, but astronomers are now testing higher frequencies that have barely been explored. A first search using archived ALMA ...
Archived radio observations could open new frequencies to SETI while showing that past searches covered millions more stars ...
Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has ...
The meteorite that crashed in New Jersey two years ago may shed light on how life originated on Earth billions of years ago.
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