Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.

The Laser Interferometer Gravitational-Wave Observatory (LIGO) could potentially detect gravitational waves from an alien spacecraft as it makes its way through our galaxy, according to a team of ...

NEW YORK (WABC) -- It's humans versus aliens in the new thriller "The 5th Wave," but is it worth your time and money? In short: No. This weekend is perfect for watching movies at home, because in ...

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...