Duo, the green cartoon owl mascot for language learning app Duolingo, has mysteriously died, and singer Dua Lipa is grieving.

Language-learning app Duolingo is looking to make a shift and has killed off its owl mascot. But rather than just switching ...

Duolingo announced the death of its owl mascot, Duo, amid rebranding. The announcement, posted on X, humorously referenced ...