Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...
Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.
The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...
A paper written by research scientists at Harvard University suggests aliens could be living underground or on the moon, or even walking among us and posing as humans. The paper, which has not been ...