SEOUL—“Baby Shark Dance,” the aggravatingly addictive children’s tune, is YouTube’s most-watched video ever. It has been played, on average, more than 4.7 million times a day since its 2016 upload.

This image is provided by BigHit Music (PHOTO NOT FOR SALE) (Yonhap) BTS-music video 'Dynamite' tops 2.1 bln YouTube views to ...

Jimmy Kimmel is back on the airwaves, and his opening monologue from his Tuesday night return to ABC is already shaping up to be one of his most-watched ever. The 23-minute YouTube video has racked up ...

Short-form video is built for mobile, so it may seem counterintuitive, but it's true: YouTube Shorts are becoming quite popular on the big screen.