McDonald’s buzzy, space-inspired spin-off CosMc’s debuted six brand new drinks earlier this week to whet fans’ appetites. The announcement comes as the chain opened a new location in San Antonio, TX, the state’s sixth CosMc’s restaurant . CosMc’s , despite numbering only a handful of locations throughout Texas and Illinois, set out to challenge Starbucks and Dunkin for the coffee and snacks crowd . ( It’s done pretty well for itself, too.) The ch...