Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

When you hear that a giant, icy mass hurtling through space has entered our solar system, your mind might leap straight to ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...