There is an Alien prequel coming, and it's been confirmed that director Ridley Scott will be taking the helm for the movie. Movies Online give us this:

News from Variety has come in that Ridley Scott has been tapped to direct the new Alien prequel which is being planned as a brand new prequel. This is great news for fans looking to get their fix from the franchise, especially after the mess that Alien vs Predator was. The film is set up to be a prequel to the groundbreaking 1979 film that Scott directed.

So will the heroes in this new movie kill the Alien race???