Duolingo, the free language-learning service, is releasing an app called Test Center that lets users take a standardized test on their mobile device and potentially earn certification for their ...

Chatbots are all the rage this year as companies in sectors ranging from media to e-commerce jump on the bandwagon and develop AI-powered messaging bots. Language education platform Duolingo, however, ...

Learning a new language can be hard work, and testing your reading and listening comprehension isn’t always the most riveting part of the process. Duolingo Stories ...