Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing through enormous volumes of data to look for peculiar signals. When you purchase ...

For decades, radio telescopes have swept the sky listening for alien signals. They’ve found nothing. A new study offers a possible explanation for the lack of results, and it has nothing to do with ...

A mysterious radio signal detected nearly five decades ago and long speculated to be evidence of extraterrestrial life may finally have a natural explanation, according to new research. The so-called ...