Add Yahoo as a preferred source to see more of our stories on Google. Scientists have searched the skies for alien radio signals for more than 60 years, but all they’ve heard so far is what Search for ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

The search for extraterrestrial intelligence (SETI) has been ongoing since the 1960s, yet no confirmed signals from alien civilizations have ever been detected. A new study published in Astrophysical ...

The unsettling logic behind a “last message” universe The idea that our first confirmed alien signal might be a civilization’s final broadcast is rooted less in pessimism than in probability. If ...