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 ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

Louisa Mason's study uses archived ALMA data to explore new radio frequencies for alien signals, expanding SETI's search ...

Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has ...

Most SETI attempts have focused on a narrow stretch of the radio spectrum known as the “water hole." ...

The search for extraterrestrial intelligence depends on several assumptions, including where another civilisation might ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Astronomers might be hunting for alien signals in all the wrong places. A new ...

Most radio SETI (Search for Extraterrestrial Intelligence) projects concentrate on frequencies from 1.42 to 1.66 GHz.

Add Yahoo as a preferred source to see more of our stories on Google. A new study has found that stellar "space weather" could be making it significantly harder to detect potential signals from aliens ...

Seventy-five years ago, a group of Dutch astronomers made a remarkable discovery. Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful ...