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 ...
For decades, scientists searching for extraterrestrial intelligence have focused their telescopes on a small slice of the ...
Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored.
Archived radio observations could open new frequencies to SETI while showing that past searches covered millions more stars ...
Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not ...