Where are all the aliens? We've yet to find life outside of that on Earth, but that doesn't mean scientists aren't looking. In fact, the search for extraterrestrial intelligence is going strong, and ...

Scientists searching for advanced alien civilizations have detected a mysterious signal in data from the world's largest ...

Chinese astronomers have detected an unusual radio signal apparently originating from the K2-155 star system, approximately ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...