Eminent Domain is a game by Seth Jaffee, published by Tasty Minstrel Games.  It is for 2-4 players.  In this game, players will be building an empire in space.  They will be surveying new planets to colonize or they can take them over through the use of warfare.  They will also be producing and trading goods while researching new technologies.  The player that gains the most influence for their empire will be declared the winner.