Check out this trailer, it is for Prometheus the latest piece from Ridley Scott and if the trailer is anything to go on, it looks like something that is going please a lot of science fiction fans who have been waiting a long time for a realistic story on how life on planet Earth started.
Here is a little bit about that the movie;
In the distant future, two superpowers control Earth and fight each other for all the solar system’s natural resources. When one side dispatches a team to a distant planet to terraform it for human colonization, the team discovers an indigenous race of bio-mechanoid killers.
Source [Geeks Are Sexy]