Intelligent alien life has remained elusive despite decades of searching the skies, but new technologies and ideas are ...

Suppose an alien civilization discovers Earth and decides to investigate. Before it chooses a landing site or considers how ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Distance, light speed, biology, and time may explain why alien civilizations never meet. (CREDIT: Wikimedia / CC BY-SA 4.0) "There ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

A new research study has revealed a new source that could harbour the secrets of Ancient civilizations . According to researchers, the pulverised technology from collapsed alien civilizations could be ...

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

Add Yahoo as a preferred source to see more of our stories on Google. Black hole Dyson spheres could harvest immense energy while releasing waste heat detectable by current telescopes. (CREDIT: ...

Black holes appear built to hide energy, not advertise it. Yet a civilization wrapping one in vast collectors could create a detectable glow, turning one of the universe’s darkest objects into a ...

"There is a silence in the night sky that has bothered me for as long as I can remember." That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...