Boardgamegeek https://boardgamegeek.com/boardgameexpansion/61492/space-alert-new-frontier
English - Do you think your team of space pioneers is already experienced enough? Even the most dangerous of enemies don’t scare you anymore? There’s a new program of reconnaissance flights to extremely dangerous sectors.
Ludovox http://ludovox.fr/jeu-de-societe/space-alert-la-nouvelle-frontiere-6048/
French - Version française de l'extension.