The US government's registration of alien.gov and aliens.gov has triggered global speculation about a potential UFO ...

Add Yahoo as a preferred source to see more of our stories on Google. TV has taught us many important lessons about aliens. They are either here to observe us, replace us, eat our cats, or gently ...

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 ...