Some people treat the idea of aliens as nonsense, but scientists actually believe that the notion we're alone in the entire ...

The search for advanced alien civilizations goes far beyond listening for radio signals, exploring possibilities such as laser beacons, neutrino communication, technosignatures, Dyson swarms and ...

Are there intelligent life forms in the universe other than on Earth? This is a grand question that everyone has pondered at ...

Perhaps what remains at the end of an advanced civilization is not biological, but artificial intelligence...There are ...

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 ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that signal has normally been based on our own current cutting-edge technology. But ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...