Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...
The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...
Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.
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 ...