The universe is awash with strange radio signals, but astronomers have now detected a really bizarre one that repeats every hour, cycling through three different states. While they have some ideas ...

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 ...

A team of UC Berkeley scientists has painstakingly analyzed billions of radio signals received over fifteen years and have zeroed in on 100 that are most likely to be sent by extraterrestrial ...

Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful that, for a moment, it outshined everything else in the sky. The ensuing search for its ...

It’s estimated that the universe contains hundreds of billions of galaxies, and each galaxy has about that many planets, so the chances are incredibly small that Earth is the only place with life. A ...