After hours: October 31 at 7:43 PM EDT Loading Chart for DUOL ...

The chain’s latest online shenanigans prove that everything—even a Halloween-themed doughnut—can become a meme.

I am downgrading Duolingo to a “sell” as I believe its valuation is stretched, along with headwinds from macroeconomic uncertainty, muted revenue guidance, and tougher comps. While investors ...

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Luis von Ahn is the cofounder and CEO of Duolingo, a popular language-learning app with more than 31 million monthly active users. The public company has a market cap of over $9 billion.

Getting kids to do household jobs can be a thankless task so parents are turning to a Duolingo-style app to make the process ...

The story begins with Tinny; a wind-up, one man band, tin toy; being "born" within a toy factory. He is placed within a box and shipped to a toy store to be sold. Tinny immediately wishes to be played ...

Today, I’m talking with Luis von Ahn, the cofounder and CEO of Duolingo, the popular app that teaches languages. It’s an interesting time to be in the language business: if there’s anything ...

Perhaps no app has mastered user loyalty quite like Duolingo, the gamified language-learning platform 34 million people a day can't put down. Here, CEO and co-founder Luis von Ahn tells the BBC ...