SETI researchers may have missed alien signals due to a cosmic phenomenon that distorts narrowband radio waves, new research says.

New technology enables us to perceive sounds beyond human hearing range, allowing a new perspective on our place on the planet.

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 ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

For decades, humanity has been looking for answers to unravel the mystery surrounding aliens’ existence, but they have failed ...

According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly. For ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

Fans of the sci fi series Alien Earth finally got a clear signal about the future of the show. Executive producer Dana Gonzales posted an Instagram photo that s ...

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met with skepticism by an American colleague. Video: Trump fires Kristi Noem ...

If you ever notice a river go suddenly quiet, that’s your cue to get to higher ground and not film. And if snow beneath your boots makes a deep, hollow “whumph” sound, that isn’t just weird acoustics; ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...