Every once in a while, crowded train stations have been known to break into song and dance and then disperse as if nothing happened. Large groups of people freeze for a period of time and then ...

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

Flash mobs can be lots of fun and the craze is growing. For the uninitiated, a flash mob is a group of people who plan to descend on a store, shopping mall or other public place with an impromptu song ...

It takes two to tango. But it takes a lot more than that to start a flash mob. The 10th annual LA Summer Tango Marathon will take place across the South Bay next weekend, featuring a traveling “flash ...