I don't think they ever answered that question in the alien movies. I suppose that will be the next sequel...Alien 5(or whatever they're up to):Birthplace..or Origins or something like that. That way they don't have to pay for Sigourney to come back yet again.
bonsaiguy Reviewed by bonsaiguy on . WHATS THE SCARIEST MOVIE YOUVE EVER SEEN children of the corn amityville horror blair witch Rating: 5