New modeling of our galaxy’s habitable zones suggests that if intelligent civilizations exist, they are likely to be both very far away and vastly older than our own, on the order of hundreds of ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light-years distant. Yet despite the odds, scientists insist that continuing the ...