The American Red Cross urges donors to make an appointment to give lifesaving blood or platelets. Donors of all types, ...

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

The grandmaster has competed in the Louisiana State Championship and Iowa Open this month. He won the latter by beating a ...

Musical Chess is a new Greenville program that teaches chess to children ages 2½ to 7. The curriculum combines music, ...

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

Language-learning app Duolingo announced updates to its AI-based conversation trainer and other products on Tuesday.