Mariah Carey sings her holiday classic, "All I Want For Christmas Is You."

Coldplay performs Hymn For The Weekend at Radio 1's Big Weekend 2016.

The star of the film Elf, Will Ferrell, returns to Billy on the Street for a very special holiday lightning round! Watch how New Yorkers react when Will and Billy demand holiday cheer!

How do sharks communicate? Particularly, how would the sharks around the Farallones all know exactly when to evacuate? Scientists who are working on "shark repellent" may have an explanation.

Though most might be unaware, the US state of California was named after a place that doesn't exist outside of literature, similar to Narnia. "California" comes from a novel written in the Spanish Golden Age.

Canadian singer Michael Bublé talks about what it means to him to record the holiday classic "Have Yourself a Merry Little Christmas."

"Rudolph the Red-nosed Reindeer" is a beloved Christmas song about a reindeer who is teased about his bright nose until it leads him to a great opportunity.

Mayda del Valle, a poet whose work has helped to raise the bar in poetry circles all over the world, performs her piece "a faith like yours" at the White House Evening of Poetry, Music, and the Spoken Word.

Talk show host Jimmy Kimmel talks to children about their expectations for the holidays and whether they have behaved themselves.

Sigrid introduces her series on English pronunciation and tells us why there isn't always just one "right" way to pronounce words.

First lady Michelle Obama met with Melania Trump at the White House on Thursday as both families prepare for the transition.

"Santa Claus is coming to town" is a traditional pop song for the Christmas season and has been covered by numerous recording artists.

Santa has his hands full right now, so talk show host Jimmy Kimmel is helping him figure out which children belong on the naughty list by hooking them up to a fake lie detector.

"Driving Home for Christmas" is a holiday single written by Chris Rea, a singer-songwriter and guitarist recognized for his distinctive, husky voice.

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