Researchers who listen for signs of non-human life say signals ‘can slip below detection thresholds, even if it’s there’ Earth’s leading alien hunters believe extraterrestrials could be out there – ...

Recently released FBI documents from 71 years ago detailed claims that aliens sent messages to members of one of the oldest UFO organizations in the U.S. The recently uncovered files were part of a ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Tag Hartman-Simkins / Futurism. Source: Getty Images If intelligent aliens are out there, why aren’t we hearing ...

If intelligent aliens are out there, why aren’t we hearing from them? Are they silently observing us like zoo animals, or staying quiet out of fear that they’d catch the attention of a bloodthirsty ...