Scientists searching for extraterrestrial intelligence are testing a new possibility: alien civilizations might transmit ...

When we think of extraterrestrial intelligence that might be out there among the stars, we tend to think of creatures not too ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study has found that stellar "space weather" could be making it significantly harder to detect potential signals from aliens ...

Astronomers hunting for aliens find new way to work out when they would contact us - Work uses game theory to try and ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...