All-Knowing
Rare5.3%ObjectiveOptionalAnywhere
Complete all research subjects in a single game.
Both both research trees you'll need 25 research stations - i.e. 25 civilian and 25 defense - in order to unlock the highest tier research. You can use on-planet upgrades as well to help get there. Once you can research tier 5 items then its just a matter of grinding out all the different research topics.
Note this can't be done in the same match as Military Intelligence