I just came across this great news regarding my Top Game of 2016 Terraforming Mars. It appears they have announced an expansion called Hellas & Elysium: Exploring the Other Side of Mars. Here is a link to the announcement with more details: 

http://www.fryxgames.se/terraforming-mars-expansion/

Look for this great expansion during summer 2017. In the meantime, read my review of Terraforming Mars here:

https://theplayersaid.com/2016/09/13/review-terraforming-mars-by-stronghold-games-fryx-games/

-Grant