Most SETI attempts have focused on a narrow stretch of the radio spectrum known as the “water hole." ...

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 ...

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, ...

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the strangest corners of Earth, where researchers on several continents are using ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast scale of space.