Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

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, ...

Experts from Harvard University have discovered a 'super-Earth' 48-light years away that may have the right conditions for ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

Astronomers find planet that is shockingly like Earth in huge milestone for search for aliens - First ever discovery of its ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...