For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...