It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...

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 ...

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 ...

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. From ancient myths about gods descending from the heavens to 20th-century UFO sightings and ...

The possibility of alien contact feels closer than ever as multiple leaders are addressing unidentified objects. Former President Barack Obama weighed in on the subject of aliens and UFOs in an ...