The standard sci-fi alien is a human actor with ridged forehead prosthetics, human motivations, human relationship structures ...

A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...