Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

A mysterious interstellar visitor sparks fears of alien contact as Baba Vanga's prophecy predicts a colossal spacecraft in 2026.

It’s one of the most popular themes in science fiction—top secret government experts are ready to spring into action if a UFO appears. For example, in the novella-based 2016 film Arrival, the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. For as long as humans have ...