Modern Engineering Marvels on MSN
First alien signal may be a civilization’s final cry
Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...
Morning Overview on MSN
Is the first alien signal a civilization’s last message?
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 ...
Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.
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