Tiny traces of alien technology could, in theory, be preserved in the moon's dusty surface, and scientists are now urging ...

The research, led by a SETI scientist, takes a completely different approach to the existing efforts of searching for life beyond our planet.

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...