So the movie is missing a few critical scenes, but it's still pretty true to the book (and full of science).

Almost every scene sticks to hard science ... Somehow, "The Martian" strikes a perfect balance between fact and fantasy. The movie comes out on Oct. 2.

20th Century Fox has released the first trailer for its anticipated fall film “The Martian,” and it looks great. Based on the best-selling book from Andy Weir of the same name, the story ...