For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and ...
Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...
The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is arguing that our inaugural contact is more likely to be a distress call, the ...