Scientists propose examining lunar soil for tiny engineered particles that could preserve evidence of civilizations long ...

Scientists believe that tiny fragments of technology from potential extraterrestrials who disappeared long ago may have ...

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 ...