Maybe not coming soon but newly-wider released. Another Earth is an indie sci-fi drama that has been doing the festival thing this year.
Synopsis:
On the night of the discovery of a duplicate planet in the solar system, an ambitious young student and an accomplished composer cross paths in a tragic accident.
Trailer:
http://www.imdb.com/video/imdb/vi1915264281/Other clips and trailers:
http://www.imdb.com/title/tt1549572/videogalleryIt's not so much sci-fi as it is drama, but I don't have a problem with that. Just thinking about the questions watching this film will make you think of has me interested. Looking forward to this one becoming available.