Whether or not we're alone in the universe is one of the biggest questions in science. A recent study, led by astrophysicist Nikku Madhusudhan at the University of Cambridge, suggests the answer might ...

Are we alone in the universe? Indeed, it could not be a question that has captured the human imagination more than this one, perhaps as long as human beings have walked on this earth. While scenes of ...

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 ...