UFO boffs say we should be 'optimistic' about meeting extra terrestrial life after world leaders came out to say they believe ...

Former congressman Matt Gaetz claims he was told of a secret programme involving alien-human hybrids, allegedly described to ...

An epidemic of unidentified-aircraft sightings revealed little about the existence of aliens — but a lot about the failures ...

Steven Spielberg has made a lot of movies about aliens.

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a ...