Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

Is water enough to find alien life? New research reveals phosphorus and nitrogen are crucial. Discover the 'chemical ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

Have you ever wondered if there really are UFOs and other life forms? Now the CIA has released their “x-files” for all to see online. They released hundreds of documents about alleged UFOs and alien ...