Last month, Olentangy Berlin middle school student Keya Jha did something no girl her age has ever done before in the United States At 10 years, 9 months and 2 days ...

Pittsburgh-based Duolingo announced several upgrades Tuesday to its popular learning app. The intrigue: Duolingo has moved ...

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