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 ...

For decades, scientists have searched the cosmos for evidence of intelligent life beyond Earth. A new study suggests that if extraterrestrial civilizations have attempted to communicate with us, there ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

Scientists have long listened for alien radio signals. Universe Today traces how a second effort, deliberately sending ...

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 ...

If you saw "Alien: Covenant" this weekend, you probably have a lot of questions. Some involve plot holes big enough to p... You'd think at some point the residents of the "Alien" universe would learn ...