Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests alien life could be going undetected because scientists focus more on avoiding false discoveries than missing ...

Astronomers searching for signs of extraterrestrial intelligence may have been missing alien signals in part of the radio spectrum that has not recently been explored.

The alien mothership makes contact with Earth in this scene from ‘Close Encounters of the Third Kind.’ Columbia Pictures Amy Adams attempts to communicate with a cephalopod-like, seven-limbed alien ...

For generations, the search for life beyond Earth has focused on avoiding one of science's biggest mistakes: claiming a discovery that turns out not to be real. Researchers have built entire ...