Add Yahoo as a preferred source to see more of our stories on Google. We humans have numerous scientific activities currently involved in the search for extraterrestrial intelligence (SETI). These ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...