Most alien-signal searches listen to a narrow part of the radio spectrum, but astronomers are now testing higher frequencies ...

Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

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 ...