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

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House scientific advisory council on UFOs.

Could alien life exist closer than we think - perhaps right next door? The team investigate evidence that suggests the search ...