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

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

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.

Researchers say we haven't found aliens because we have been tuned in to the wrong radio channel.

Most people hear a symphony and feel something. A chill down the spine. An unexpected wave of emotion. Maybe even joy that seems to come from nowhere. But here's the thing - what if those feelings ...