You probably want to start with the getting started guide. However, if you're impatient you can create an empire through either the iPhone client or web client to get started playing right now.
Here you also can learn more about the buildings, ships, alliances, medals, stats, resources, and other elements that make up The Lacuna Expanse.
Strategy Guides (5)
There are currently 7 AIs that exist in-game:
Each of the AIs has unique strengths and weaknesses and behavioral patterns. Exact behavior though changes as improvements are made, and as conditions change in the game.