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

You’ve probably already heard of flash mobs–their eccentric gatherings have been well documented in media vehicles from the New York Times to Good Morning America ...

The Fourth of July fireworks display in the Cleveland suburb of Shaker Heights was anything but a family affair. As many as 1,000 teenagers, mobilized through social networking sites, turned out and ...