A game about replacing human labour with drones could be seen as a bit insensitive at a time when there's so much controversy ...

Chess instruction launches on Android phones, and Duolingo customers with iPhones will soon be able to play chess against ...

Pittsburgh-based Duolingo announced several upgrades Tuesday to its popular learning app. The intrigue: Duolingo has moved beyond just language learning over the years — adding math, music and chess — ...