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 ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

Given the vast size of the universe, many astronomers believe that it is almost certain that humanity is not the only advanced civilisation living amongst the stars. However, this leaves one very ...