Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's recent declassified files. It's not. We're talking about technosignatures, ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

Scientists have long scanned the sky for radio signals and other broadcasts in search of alien civilizations. But a new paper argues against this approach. It states that the civilizations we're ...

Could intelligent alien civilizations really exist somewhere beyond Earth? As advanced telescopes continue discovering new potentially habitable worlds every year, that possibility seems more ...