Add Yahoo as a preferred source to see more of our stories on Google. "If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you?" the official logline reads.

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 ...

Astronomers at the Search for Extraterrestrial Intelligence (SETI) Institute have identified a physical mechanism that could finally explain the galaxy's radio silence, suggesting that advanced ...