British studio Creative Assembly, best known for its work on the Total War franchise of PC strategy games, is currently developing a game based on Ridley Scott's original 1979 horror masterpiece.
Aside from the fact it's being developed "for consoles", there's little other information available at this time, though more details should pop up later in the day via an official release from publishers Sega.
While CA is renowned for its expertise in strategy games, it has made a few action titles, including 2005's Spartan: Total Warrior and 2008's Viking: Battle for Asgard. Though hey, this could be a strategy game! Marines: Total War!
Total War dev making Aliens game [Eurogamer]