WASHINGTON — Language learning app Duolingo revealed this week that the bright green owl that was the face of the company has "died," in a viral social media stunt. Duo, who was known for his menacing ...

Everyone who’s trying to learn a new language these past few years is almost certainly using the Duolingo app. You probably have at least one friend who’s kind of annoying about it. It’s so popular, ...

Duolingo forecast fourth-quarter bookings below Wall Street estimates on Wednesday as the company prioritizes user growth and ...

In an elaborate marketing campaign this month, Duolingo seemingly killed its viral green owl mascot in every country but one. "Duo, our owl, faked his death in every single market that we had except ...