Are aliens real? The question has animated conspiracy theorists for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

The bold question-askers at What If sit down with a SETI scientist to ask whether Earth might be truly alone in the universe. Shipwreck hunters solve 150-year mystery of disaster that killed eight ...

The recent, widely covered signal that's allegedly got SETI hot and bothered is almost certainly not aliens. But that doesn't mean it's not cool. Share on Facebook (opens in a new window) Share on X ...

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A .