Santa has been busy getting ready for his big night of delivering presents, but he's also taken on a new gig as host of iHeartRadio's North Pole Radio station, playing all of your holiday favorites.

Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.

Seven of December’s top 10 digital stations were Christmas-themed, including iHeart Christmas, North Pole Radio, iHeart Christmas Classics, and iHeartCountry Christmas. Listening peaked on ...