(CNN) — Duo, the green cartoon owl mascot for language learning app Duolingo, has mysteriously died, and singer Dua Lipa is grieving. The brand announced Duo’s passing on Tuesday, writing in a cheeky ...

Tennis fans at the U.S. Open have been lining up to get served healthy options like smoothies, acai bowls, and salads. That's good news for Dawn Kelly and Jade Duncan, the mother-daughter duo behind ...

Duo, the green cartoon owl mascot for language learning app Duolingo, has died, and singer Dua Lipa is grieving. The brand announced Duo’s passing on Tuesday, writing in a cheeky statement on their ...

Duolingo staged its owl mascot's death for a marketing stunt — except in Japan. The campaign reflects Duolingo's non-traditional and country-specific marketing. Marketing efforts helped boost daily ...