Duolingo shares surged about 32% on Thursday, after the company's annual forecast increase buoyed investor confidence in its ...

By Akash Sriram (Reuters) -Language-learning app Duolingo raised its annual revenue forecast and beat second-quarter revenue ...

While Duolingo jokes its mascot was born in 1000 BC, Duo actually debuted in 2011, the year the app launched, according to Apple Developer. The original Duolingo logo featured a 2-D owl whose eyes ...