Add Yahoo as a preferred source to see more of our stories on Google. A Christmas flash mob of church carolers took over a Kansas City, Kansas Walmart Sunday. Shoppers and employees even stopped to ...

Christmas is coming up, so for the most part the streets of New York City are full of angry last-minute shoppers and tourists who stop every five feet to take pictures. Needless to say, it can get ...

The two dozen people wearing Santa hats and blowing kazoos in Union Square on Wednesday weren't lost Christmas minstrels. They were supposed to be a "flash mob." Unfortunately, their mob fizzled more ...

Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...