Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have ...

A hoax 'alien invasion' alert in Brazil caused panic and amusement, revealing vulnerabilities in emergency systems.

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 ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Alien: Covenant hits theatres next month, and two new promotional ...

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 ...

For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. NASA spacecraft like the twin Voyager probes – launched in the 1970s bearing the iconic Golden Record – ...